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8 Cards in this Set
- Front
- Back
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Element |
is matter made of only one kind of atom |
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Atomic number |
tells you the number of protons in the nucleus |
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Isotopes |
atoms of the same element that have different numbers of neutrons. |
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Mass number |
is the number of protons plus the number of neutrons it contains |
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Atomic mass |
is the weighted average mass of the isotopes of an element |
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Non-Metals |
are elements that are usually due in appearence |
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Metalloids |
are elements that have characteristics of metals and non metals |
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Dusty |
me |
