" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Untuk menentukan golongan dan perioda, kita menggunakan nomor atom :a. 37Rb = 2 8 18 8 1 = perioda 5, golongan 1A
b. 50Sn = 2 8 18 18 4 = perioda 5, golongan 4A
c. 33As = 2 8 18 5 = perioda 4, golongan 5A