Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 2.2, Problem 1CC
Summary Introduction

To deduce: Mass number of Lithium (Li) atom.

Concept introduction: “The mass number of an atom is the sum of the number of protons and neutrons in its nucleus”.

Mass Number = Number of protons + Number of neutrons

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