Atomic Structure Question 98
Question: The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is
Options:
A) 7
B) 6
C) 5
D) 3
Show Answer
Answer:
Correct Answer: A
Solution:
Bromine consists of outer most electronic configuration $ [Ar]3d^{10},4s^{2},4p^{5} $ .
