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Define : Mass Number : - Chemistry

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Question

Define: Mass number : 

Definition
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Solution

Mass number : Numbr of protons and neutrons present in the nucleus of an atom.

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Chapter 4: Atoms, Molecules and Radicals - Additional questions

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Selina Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atoms, Molecules and Radicals
Additional questions | Q 21.3

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