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What is the mass number of an isotope?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 24Q Chapter 4

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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4
Problem 24Q

What is the mass number of an isotope?

Step-by-Step Solution:

Solution 24Q

Step 1:

The total number of protons and neutrons present in an atom is called as mass number. The mass of an atom is mostly ascribed to a nucleus, which consists of protons and neutrons.

Step 2:

The mass number is denoted as  (symbol A), also called atomic mass number or nucleon number. It determines the atomic mass of atoms

Mass number (A) = Number of proton + number of neutron

Step 3 of 3

Chapter 4, Problem 24Q is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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