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Define the Terms: Mass Number

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Question

Define the term:

Mass number

One Line Answer
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Solution

Mass number is the sum of the number of protons and the number of neutrons in the nucleus of an atom.

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Chapter 4: Atomic Structure and Chemical Bonding - Exercise 4 (C) [Page 66]

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Selina Concise Chemistry [English] Class 9 ICSE
Chapter 4 Atomic Structure and Chemical Bonding
Exercise 4 (C) | Q 9.1 | Page 66
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