The atomic number of an element is always equ | vedclass

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(D) The atomic number $(Z)$ of an element is defined as the number of protons present in the nucleus of its atom.Since each proton carries a unit posi

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Electrical charge of the nucleus

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(D) The atomic number $(Z)$ of an element is defined as the number of protons present in the nucleus of its atom.Since each proton carries a unit positive charge $(+1)$ and neutrons are electrically neutral,the total electrical charge of the nucleus is directly proportional to the number of protons.Therefore,the atomic number is equal to the electrical charge of the nucleus.

The atomic number of an element is always equal to

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