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Standard IX
Chemistry
Atomic Mass and Atomic Mass Unit
Which of the ...
Question
Which of the following quantities can only be a whole number?
A
Atomic radius
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B
Atomic number
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C
Mass number
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D
Equivalent weight
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Solution
The correct option is
B
Atomic number
Atomic number of an element = number of protons = number of electrons and is always a whole number.
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