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Family of Elements
Family of Elements & Intro To Compounds
| Term | Definition |
|---|---|
| Alkali Metals | Has 1 valence electron and is very reactive, especially with halogens. |
| Alkali Earth Metals | Has 2 valence electrons and reactive with group 6 but not as reactive as alkali metals. |
| Halogens | Has 7 valence electrons and is very reactive but is the most reactive with alkali metals. |
| Inert/Noble Gasses | Has 8 valence electrons and is non reactive and very stable. It becomes more dense down the group. |
| Valence electrons | A single electron or one of two electrons in the outer shell that is responsible for the chemical properties of an atom. |
| Compounds | When all properties change into something different when combined |
| Mixtures | chemical properties stay the same when combined |
| Molecule vs. Atom | An atom is single and molecule is 2 or more atoms together |
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PrincessBian24
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