November 2018 1 143 Report
Ion X pangkat 2+ memiliki konfigurasi elektron 1s pangkat 2 2s pangkat 2 2p pangkat 6.nilai keempat bilangan kuantum elektron valensi atom X adalah. A)n= 2,1 = 0, s = -1/2 .B) n= 2, 1 = 1, m =+1 ,s = -1/2 .C) n= 3,1 = 0,m =0,s = +1/2. D) n=3,1= 1,m = -1,s =+ 1/2 .E) n=3,1 = 1,m = 0,s= + 1/2 .
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