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Chem CH8 Section
Chemistry CH8 Section 1 Main Group Elements
| Term | Definition |
|---|---|
| alkali metal | any element from group 1: lithium, sodium, potassium, rubidium. cesium, francium |
| alkaline earth metal | any element from group 2: beryllium, magnesium, calcium, strontium, barium |
| boron | a metalloid found in boric acid and borax; one of the active ingredients in contact lens cleaning solution |
| halogen | any element from group 17: fluorine, chlorine, bromine, iodine, astatine |