November 2018 1 21 Report
Atom unsur Y mempunyai konfigurasi elektron mc029-1.jpg 3s2 3p1. Unsur Y tersebut dalam tabel periodik secara berurutan terletak pada golongan dan periode....
Select one:
a. IIIA, 3
b. IA, 3
c. IVA, 4
d. IA, 2
e. IIIA, 4
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