Alkali Metals: Group 1, High melting/boiling point, Highly reactive, especially in water, Conducts electricity, Sodium, Positive 1 ion charge, Cations, Halogens: Group 7 / 17, Low melting/boiling point (1), Does not conduct electricity (1), Fluorine, Chlorine, Negative 1 ion charge, Anions, Noble Gases: Neon, Mostly unreactive, Low melting/boiling point, Does not conduct electricity, No charge - does not typically form ions,

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