April 2023 1 7 Report
Perhatikan konfigurasi elektron unsur berikut;
A 1s2 2s2 2p6 3s2
B [18Ar] 4s2 3d10
Kulit valensi ( KV ) dan elektron valensi (EV ) dari kedua unsur tersebut adalah… A ( 3S; 2 ) , (3d; 10)
B ( 3S; 2 ) , ( 4s,3d; 10)
C ( 3S; 2 ) , ( 4s ; 2)
D ( 3S; 2 ) , ( 4s,3d; 2)
E ( 3S; 2 ) , ( 4s,3d; 12)​

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