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elements
Term | Definition |
---|---|
Alkali Metals | 1 valence electron, Very reactive with h20, group 1 |
Alkali Earth Metals | 2 valence electron, react with groups 6, group 2 |
Halogens | 7 valence electrons, most reactive with non-metals, group 7 |
Inert/Nobel Gases | 8 valence electrons, non -reactive, group 8 |
Compounds | Chemically combined atoms occur through valence electrons |
Mixtures | Molecules or atoms that are not chemically combimed |
Molecule Vs Atoms | Molecule's are two or more atoms together and an atom is 1 |
Valence Electrons | The electrons farthest away from the nucleus affects behavior of elements |