August 2018 1 137 Report
Suatu unsur memiliki konfigurasi elektron, K =2, L = 8, M = 8, N =
6. Salah satu isotopnya memiliki 28
netron, nomor atom dan nomor unsur massa tersebut adalah….



a. 24 dan 28 d. 24 dan 52



b. 28 dan 50 e. 52 dan 24


c. 28 dan 52
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