Gallium (Ga) consists of two naturally occurring isotopes

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Problem 96 Chapter 2

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 96

Gallium (Ga) consists of two naturally occurring isotopes with masses of 68.926 and 70.925 amu. (a) How many protons and neutrons are in the nucleus of each isotope? Write the complete atomic symbol for each, showing the atomic number and mass number, (b) The average atomic mass of Ga is 69.72 amu. Calculate the abundance of each isotope.

Step-by-Step Solution:

Solution : Step 1: Gallium is a chemical element with symbol Ga and has atomic number of 31.Gallium has two stable isotopes: allium-69 and gallium-71 Given, masses of gallium-69 is 68.926 and masses of gallium-71 is 70.925. (a) How many protons and neutrons are in the nucleus of each isotope Write the complete atomic symbol for each, showing the atomic number and mass number, The chemical symbol of an isotope contains s uperscriptand ubscript. The superscript represents themass number and the subscript represents the atomic number. The atomic number of gallium (Ga) is 31. Mass number of isotopes are 69 and 71. Therefore, the chemical symbols of the 2 isotopes of Ga are: and

Step 2 of 2

Chapter 2, Problem 96 is Solved
Textbook: Chemistry: A Molecular Approach
Edition: 3rd
Author: Nivaldo J. Tro
ISBN: 9780321809247

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