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Relation between atomic number (Z), neutron number (N) and mass number (A) is ______. -

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Question

Relation between atomic number (Z), neutron number (N) and mass number (A) is ______.

Options

  • Z = A + N

  • Z = A + 2N

  • A = Z - N

  • A = Z + N

MCQ
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Solution

Relation between atomic number (Z), neutron number (N) and mass number (A) is A = Z + N.

Explanation:

Mass number (A) = total number of nucleons
= number of protons + number of neutrons
= atomic number (Z) + neutron number (N)

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