
Concept explainers
(a)
Interpretation:
Number of protons, number of electrons and number of neutrons in
Concept Introduction:
Number of protons is determined by the
The nuclide symbol of an atom is represented as follows:
Here,
(a)

Answer to Problem 21AE
Number of protons in
Explanation of Solution
Atomic number of
The formula to calculate the number of neutrons in
Substitute 51 for mass number
Hence, number of neutrons in
(b)
Interpretation:
Number of protons, number of electrons and number of neutrons in
Concept Introduction:
Refer to part (a)
(b)

Answer to Problem 21AE
Number of protons in
Explanation of Solution
Atomic number of
The formula to calculate the number of neutrons in
Substitute 166 for mass number
Hence, number of neutrons in
(c)
Interpretation:
Number of protons, number of electrons and number of neutrons in
Concept Introduction:
Refer to part (a)
(c)

Answer to Problem 21AE
Number of protons in
Explanation of Solution
Atomic number of
The formula to calculate the number of neutrons in
Substitute 103 for mass number
Hence, number of neutrons in
(d)
Interpretation:
Number of protons, number of electrons and number of neutrons in
Concept Introduction:
Refer to part (a)
(d)

Answer to Problem 21AE
Number of protons in
Explanation of Solution
Atomic number of
The formula to calculate the number of neutrons in
Substitute 89 for mass number
Hence, number of neutrons in
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Chapter 18 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
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