Kolekce Atom Mass Number Of 3 Vynikající

Kolekce Atom Mass Number Of 3 Vynikající. 23.11.2014 · lithium is a metal element. Atomic number of it is 3.

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8 oxygen 15.9994 nucleu s. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:

Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =.

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. How can you explain this difference? Atomic mass of helium (he): However, no single atom of boron has a mass of exactly 10.81 amu. She has taught science courses at the high school, …

1) all matter is made of atoms. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 1) all matter is made of atoms. 8 oxygen 15.9994 nucleu s. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. 4) a chemical reaction is a rearrangement of atoms.

07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. In biomedical sciences and is a science writer, educator, and consultant. Atomic number of it is 3. Atomic mass of lithium (li): Atomic mass of beryllium (be): Atoms are indivisible and indestructible.. Atomic mass of lithium (li):

Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =.. 8 oxygen 15.9994 nucleu s. 4) a chemical reaction is a rearrangement of atoms. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. 23.11.2014 · lithium is a metal element. She has taught science courses at the high school, … The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers... Atoms are indivisible and indestructible.

How can you explain this difference? Atomic mass of beryllium (be): The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. In biomedical sciences and is a science writer, educator, and consultant. Atomic mass of lithium (li): Atomic mass of helium (he): How can you explain this difference? 1) all matter is made of atoms. 23.11.2014 · lithium is a metal element.. Atomic mass of beryllium (be):

She has taught science courses at the high school, … Atomic mass of helium (he): Atomic number of it is 3.. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron.

8 oxygen 15.9994 nucleu s. In biomedical sciences and is a science writer, educator, and consultant. Atomic mass of beryllium (be): The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 4) a chemical reaction is a rearrangement of atoms. 23.11.2014 · lithium is a metal element.. How can you explain this difference?

Atomic mass of lithium (li):.. Atomic mass of hydrogen (h): 8 oxygen 15.9994 nucleu s.

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button.. Atoms are indivisible and indestructible. Atomic number of it is 3. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 4) a chemical reaction is a rearrangement of atoms. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: 8 oxygen 15.9994 nucleu s. Atomic mass of hydrogen (h):. Atomic mass of lithium (li):

Atomic mass of beryllium (be):. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. However, no single atom of boron has a mass of exactly 10.81 amu. In biomedical sciences and is a science writer, educator, and consultant. Atomic number of it is 3. Atomic mass of lithium (li): 4) a chemical reaction is a rearrangement of atoms. Atomic mass of helium (he): Atomic mass of hydrogen (h): The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers.. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button.

2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms.. 8 oxygen 15.9994 nucleu s.

However, no single atom of boron has a mass of exactly 10.81 amu. Atomic number of it is 3. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. Atomic mass of hydrogen (h): The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron.

How can you explain this difference? 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: Atomic number of it is 3. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button.

Atoms are indivisible and indestructible. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron.. Atoms are indivisible and indestructible.

8 oxygen 15.9994 nucleu s. Atomic number of it is 3. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. Atomic mass of hydrogen (h): How can you explain this difference? Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. Atomic mass of beryllium (be): Atomic mass of beryllium (be):

4) a chemical reaction is a rearrangement of atoms. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. However, no single atom of boron has a mass of exactly 10.81 amu. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 8 oxygen 15.9994 nucleu s. Atomic number of it is 3. In biomedical sciences and is a science writer, educator, and consultant. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. She has taught science courses at the high school, … 23.11.2014 · lithium is a metal element.. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:

23.11.2014 · lithium is a metal element. Atoms are indivisible and indestructible. In biomedical sciences and is a science writer, educator, and consultant. However, no single atom of boron has a mass of exactly 10.81 amu. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 8 oxygen 15.9994 nucleu s.. 1) all matter is made of atoms.

4) a chemical reaction is a rearrangement of atoms. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. Atoms are indivisible and indestructible. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: In biomedical sciences and is a science writer, educator, and consultant... 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms.

In biomedical sciences and is a science writer, educator, and consultant. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 4) a chemical reaction is a rearrangement of atoms. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron.. Atomic number of it is 3.

8 oxygen 15.9994 nucleu s... Atomic mass of hydrogen (h): Atomic number of it is 3. However, no single atom of boron has a mass of exactly 10.81 amu. Atomic mass of lithium (li): How can you explain this difference?. Atomic mass of lithium (li):

2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms... To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have?

The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. How can you explain this difference? 4) a chemical reaction is a rearrangement of atoms. 8 oxygen 15.9994 nucleu s. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: Atomic number of it is 3. Atoms are indivisible and indestructible. 1) all matter is made of atoms... 23.11.2014 · lithium is a metal element.

However, no single atom of boron has a mass of exactly 10.81 amu. Atoms are indivisible and indestructible. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 4) a chemical reaction is a rearrangement of atoms. However, no single atom of boron has a mass of exactly 10.81 amu. Atomic mass of hydrogen (h): The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. Atomic number of it is 3. 1) all matter is made of atoms. She has taught science courses at the high school, … To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button.

The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. Atoms are indivisible and indestructible. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. Atomic mass of lithium (li): 23.11.2014 · lithium is a metal element. In biomedical sciences and is a science writer, educator, and consultant. Atomic mass of hydrogen (h): Atomic number of it is 3. She has taught science courses at the high school, … Atomic mass of hydrogen (h):

How can you explain this difference?. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. 1) all matter is made of atoms. Atoms are indivisible and indestructible. She has taught science courses at the high school, … Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? Atomic mass of lithium (li): The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 1) all matter is made of atoms.

How can you explain this difference? The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 8 oxygen 15.9994 nucleu s. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron.. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:

However, no single atom of boron has a mass of exactly 10.81 amu... 1) all matter is made of atoms. 4) a chemical reaction is a rearrangement of atoms. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: Atomic mass of lithium (li): Atomic mass of helium (he): How can you explain this difference? The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers.. Atomic mass of hydrogen (h):

1) all matter is made of atoms... However, no single atom of boron has a mass of exactly 10.81 amu. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:

23.11.2014 · lithium is a metal element. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? In biomedical sciences and is a science writer, educator, and consultant. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. Atomic mass of helium (he): Atomic mass of lithium (li): 1) all matter is made of atoms. However, no single atom of boron has a mass of exactly 10.81 amu. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. How can you explain this difference? Atomic number of it is 3.

Atoms are indivisible and indestructible. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table... Atomic number of it is 3.

1) all matter is made of atoms. 8 oxygen 15.9994 nucleu s. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. 23.11.2014 · lithium is a metal element. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button... Atomic mass of lithium (li):

07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:.. . 1) all matter is made of atoms.

The element boron, b, has an atomic mass of 10.81 amu according to the periodic table.. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers.. She has taught science courses at the high school, …

Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =.. 1) all matter is made of atoms.. 8 oxygen 15.9994 nucleu s.

You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? Atomic mass of helium (he): How can you explain this difference? In biomedical sciences and is a science writer, educator, and consultant... Atomic mass of lithium (li):

However, no single atom of boron has a mass of exactly 10.81 amu. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: 8 oxygen 15.9994 nucleu s. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers.. Atoms are indivisible and indestructible.

Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. However, no single atom of boron has a mass of exactly 10.81 amu.

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. 8 oxygen 15.9994 nucleu s. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. Atomic mass of beryllium (be): Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =... Atomic number of it is 3.

1) all matter is made of atoms. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? How can you explain this difference? Atomic mass of helium (he): In biomedical sciences and is a science writer, educator, and consultant. Atomic mass of lithium (li):

However, no single atom of boron has a mass of exactly 10.81 amu.. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 8 oxygen 15.9994 nucleu s.. 1) all matter is made of atoms.

4) a chemical reaction is a rearrangement of atoms. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? Atomic mass of helium (he): However, no single atom of boron has a mass of exactly 10.81 amu. Atomic mass of hydrogen (h): Atoms are indivisible and indestructible. 8 oxygen 15.9994 nucleu s. Atomic number of it is 3. She has taught science courses at the high school, … 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1:. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have?

23.11.2014 · lithium is a metal element. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. The terms light and heavy are sometimes also used informally to indicate relative atomic numbers (not densities), as in lighter than carbon or heavier than lead, although technically the weight or mass of atoms of an element (their atomic weights or atomic masses) do not always increase monotonically with their atomic numbers. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. Atomic mass of helium (he): 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: 23.11.2014 · lithium is a metal element. 4) a chemical reaction is a rearrangement of atoms.. Atomic mass of lithium (li):

How can you explain this difference? 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. How can you explain this difference? Atomic mass of beryllium (be): In biomedical sciences and is a science writer, educator, and consultant... However, no single atom of boron has a mass of exactly 10.81 amu.

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. Atomic mass of helium (he): 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. Atomic number of it is 3. Atomic mass of hydrogen (h):

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 23.11.2014 · lithium is a metal element. To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. She has taught science courses at the high school, … 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. 1) all matter is made of atoms.. 8 oxygen 15.9994 nucleu s.

Atomic mass of helium (he):. . 1) all matter is made of atoms.

Atomic number of it is 3. However, no single atom of boron has a mass of exactly 10.81 amu. 8 oxygen 15.9994 nucleu s. You'll find the correct answer below lithium has a atomic number of 3 and atomic mass of 7, how many protons does it have? She has taught science courses at the high school, … The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. Atoms are indivisible and indestructible. How can you explain this difference?. She has taught science courses at the high school, …

Atomic mass of hydrogen (h): .. Atomic mass of helium (he):

However, no single atom of boron has a mass of exactly 10.81 amu. Atomic number of it is 3. Atomic mass of beryllium (be): 1) all matter is made of atoms. However, no single atom of boron has a mass of exactly 10.81 amu. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. 4) a chemical reaction is a rearrangement of atoms. 23.11.2014 · lithium is a metal element. The periodic table reports the average atomic mass, which is a weighted average of all isotopes of boron. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms.

To use this online calculator for atomic mass, enter total mass of proton (mp) and total mass of neutron (mn) and hit the calculate button. However, no single atom of boron has a mass of exactly 10.81 amu. She has taught science courses at the high school, … 07.03.2021 · atomic number element atomic mass (u) atomic mass (u)(rounded off) 1: 2) all atoms of a given element are identical in mass and properties 3) compounds are formed by a combination of two or more different kinds of atoms. The element boron, b, has an atomic mass of 10.81 amu according to the periodic table. Atomic number of it is 3. 4) a chemical reaction is a rearrangement of atoms. Pg 2 the atoms family atomic math challenge atomic number equals the number of o or oxygen atomic mass equals the number of 15.99 9 30 zinc 65.39 15.999 6.941 atomic # = atomic # = _ atomic # =. In biomedical sciences and is a science writer, educator, and consultant... 23.11.2014 · lithium is a metal element.