Description

A quick concept check for Grade 9. Q1: 'Sodium loses 1 electron. What charge does it now have?' A) -1, B) 0, C) +1 (correct - 11 protons, 10 electrons, net +1), D) +2. Q2: 'Chlorine gains 1 electron. Its charge?' → -1 (17 protons, 18 electrons). Q3: 'A positive ion and a negative ion will ___' → Att

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