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10 Cards in this Set
- Front
- Back
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actinoid series
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2nd row of rare-eart elements in the periodic table : radio active, synthetic
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alkali metal
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member of element family 1 that has 1 valence electron
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alkaline earth metal
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member of element family 2 that has 2 valence electrons
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alloy
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a solution of two metal or a metal and a nonmetal that has the properties of a metal
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atom
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smallest particle of an element that has all the properties of that element
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atomic mass
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average of the masses of the existing isotopes of an element
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atomic mass unit
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amu , unit used to measure the masses of subatomic particles, a proton has a mass of 1 AMU
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atomic number
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number of protons in the nucleus
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boiling
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process in which particles inside a liquid as well as those on the surface of a liquid change to gas
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boiling point
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temperature at which a substance changes from the liquid stange to the gas stage
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