Microbiology: Principles and Explorations
Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 2, Problem 1.1SC
Summary Introduction

To determine: The number that tells the identity of an atom.

Introduction: Matter is made up of fine particles that form the basic chemical building blocks. An atom is the smallest chemical unit of matter. There are many different kinds of atoms, and an element is one kind of atom that forms the matter.

Expert Solution & Answer
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Explanation of Solution

The number of protons (atomic number) in one atom of an element determines the identity of an atom. The number of electrons and neutrons in the atoms of many elements can change; however, the number of protons remains the same for all atoms of a given element.

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