Atomic Structure Question 441
Question: An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus
Options:
A) 30
B) 32
C) 34
D) 33
Show Answer
Answer:
Correct Answer: C
Solution:
$ Cu_29^{63} $ Number of neutrons = atomic mass - atomic number = 63 - 29 = 34.
BETA
