Nuclei Ques 81
81. The mass number of a nucleus is
[2003]
(a) sometimes less than or sometimes more than its atomic number
(b) always less than its atomic number in a neutral atom
(c) always more than its atomic number in a neutral atom
(d) sometimes equal to its atomic number
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Answer:
Correct Answer: 81.(d)
Solution:
- (d) In case of hydrogen atom,
Mass number $\neq$ atomic number
BETA
