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5 Cards in this Set
- Front
- Back
what does this line represent? |
it separates non-metals from metals. metals on the left-hand side and non-metals on the right-hand side |
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what is the smallest number (6) and what does it show |
the smallest number is the atomic number and it shows the total number of protons. |
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what is the biggest number (12.011) and what does it show |
the biggest shows the mass number. this is the number of protons and neutrons. |
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how do you find the number of neutrons in an atom? |
subtract the atomic number from the mass number. (small from big) |
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what does the number of the group that the atom is in show? |
it shows the number of atoms on its outer shell |
