Q.

The atomic number of an element is always equal to

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a

Atomic weight divided by 2

b

Number of neutrons in the nucleus

c

Weight of the nucleus

d

Electrical charge of the nucleus

answer is D.

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Detailed Solution

Atomic number = number of protons. 

Each proton has unit positive charge and hence, electrical charge of the nucleus is equal to the atomic number of the element.

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