3 electrons - lithium, which group is very reactive? group __ - one, relative atomic mass is the number of neutrons and ______ - protons, 12 electrons - magnesium, 10 electrons - neon, 19 electrons - potassium, the bonding between a metal and a non metal - ionic, K - potassium, group o is called the ____ gases - noble, Ne - neon, which element loses electrons in Sodium Chloride - sodium, bond between two non metals - covalent, Li - lithium, the thing in an atom that has a positive charge - proton, how many electrons does sodium want to lose? (spell the word?) - one, non metals ____ electrons - share,

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