AIPMT PRELIMS2003Physics-Nuclear Physics
AIPMT PRELIMS 2003 Physics Atomic and Mass Numbers MCQ Question
Type: MCQ-fact-Easy-Class 12
The mass number of a nucleus is
A
always less than its atomic number
B
always more than its atomic number
C
sometimes equal to its atomic number
D
sometimes less than and sometimes more than its atomic number
Correct Answer
Option C
Detailed Explanation
The mass number is the total number of protons and neutrons, which is always more than the atomic number (number of protons).
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