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For each of the following metals, how many electrons will the metal atoms lose when the metal reacts with a nonmetal: (a) Sodium: 1 (b) Potassium: 1 (c) Magnesium: 2 (d) Barium: 2 (e) Aluminum: 3 These can be deduced from the number of electrons in their last energy level which can be determined from their Group in the Periodic Table (2) For each of the following nonmetals, how many electrons will the nonmetal atom gain when the nonmetal reacts with a metal: (a) Oxygen: 2 (b) Fluorine: 1 (c) Nitrogen: 3 (d) Chlorine: 1 (e) Sulfur: 2 Source: Their Group Number in the Periodic Table indicates the number of electrons in the last energyThe number the gain is to fill the level by bringing it up to 8
