A) > 25
B) < 24
C) 25
D) 30
Correct Answer: C
Solution :
Given n = 4 x = 5 So \[\underset{3{{s}^{2}}}{\mathop{(4-1){{s}^{2}}}}\,\underset{3{{p}^{6}}}{\mathop{(4-1){{p}^{6}}}}\,\underset{3{{d}^{5}}}{\mathop{(4-1){{d}^{5}}}}\,\underset{4{{s}^{2}}}{\mathop{4{{s}^{2}}}}\,\] Total electron = 2 + 6 + 5 + 2 = 15 Electron in 1 + 2 orbit = 2 + 8 = 10 Total electron = 10 + 15 = 25 No. of electron = No. of proton So total proton = 25You need to login to perform this action.
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