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General, Organic, and Biological Chemistry: Structures of Life | 4th Edition | ISBN: 9780321750891 | Authors: Karen C. Timberlake
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Would you use atomic number, mass number, or both to

Chapter 3, Problem 21QP

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QUESTION:

Would you use atomic number, mass number, or both to obtain the following?a. number of protons in an atomb. number of neutrons in an atomc. number of particles in the nucleusd. number of electrons in a neutral atom

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QUESTION:

Would you use atomic number, mass number, or both to obtain the following?a. number of protons in an atomb. number of neutrons in an atomc. number of particles in the nucleusd. number of electrons in a neutral atom

ANSWER:

Solution 21 QP:Step 1: Atomic number is defined as the number of protons present in the atom.Atomic number (Z) = Number of protons of the element.Mass Number (A) is defined as the sum of the number of protons and neutrons present in the atom.Mass number = number of protons + number of neutronsA = Z + number of neutrons(N)Step 1:1. number of protons in an atomWe know that, the atomic number is equal to the number of protons present in the atom.Atomic number (Z) = Number of protons of the element.

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