Match the following: 1 i) chlorine in) neon ii) magnesium iv) aluminium a. valency 3+ b. halogen -C. group 18 d. has 2 valence electrons
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i) Chlorine - b) halogen
ii) neon - c) group 18
iii) magnesium - d) has 2 valency electrons
iv) aluminum - valency +3
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