Ca2+ + Cl- → CaCl2
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Verified answer
20Ca = 2, 8, 8, 217Cl = 2, 8, 7
dari konfigurasi tsb, Ca melepas 2 e (membentuk ion 2+) utk mencapai kestabilan, sementara Cl menangkap 1 e (membentuk ion -) utk mencapai kestabilan
Ca2+ + Cl- → CaCl2