Tentukan letak unsur dalam sistem priodik berdasarkan konfigurasi elektron 51Sb^122
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Penjelasan:
a) Notasi Atom
A = 122
Z = 51
X = Antimon (Sb)
b) Konfigurasi Elektron
51Sb = 2 8 18 18 5
c) Periode = 5
d) Golongan = VA