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3 Cards in this Set
- Front
- Back
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Actinides an element in the second row of the rare earth elements in the periodic table Avery |
Alkali Metal an elementint in group 1 of the periodic table |
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Atom the basic building block of most of the matter around us; the smallest mater particle of an element that has all properties of that element |
Atomic Mass a measure of an atoms mass that is equal to the number of protons and neutrons in the atoms nucleus |
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Atomic Number the number of protons in the nucleus of an atom |
Compound a pure substance that forms when two or more elements join chemicallyh in a fixed proportion |
