Complete the table. ElementIsotopeNo. of protonsNo. of neutronsAtomic mass (u)Isotopic abundanceAr(3 decimal places)17Cl35Cl 34.9688575.5% 37Cl 36.9659024.5%29Cu63Cu 62.9296069.15% 65Cu 64.9277930.85%35Br79Br 78.9183450.8% 81Br 80.9162949.2%30Zn64Zn 63.9291449.17% 66Zn 65.9260327.73%67Zn 66.927134.04%68Zn 67.9248418.45%70Zn 69.925320.61%26Fe56Fe 53.939615.845% 54Fe 55.9349491.754%57Fe 56.935392.119%58Fe 57.933270.282% No. ofNo. ofAtomicIsotopicA,ElementIsotopeprotonsmass (u)abundance (3 decimal places)neutrons35CI37CI34.9688575.5%17CI36.9659024.5%62.9296069.15%29 Cu65Cu64.9277930.85%79Br78.9183450.8%35 Br80.9162949.2%6AZN49.17%63.9291465.9260327.73%30Zn67Zn66.927134.04%67.9248418.45%70Zn56FE54Fe57FE69.925320.61%53.939615.845%55.9349491.754%26 Fe56.935392.119%57.933270.282%

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Answered: Isotopic abundance (3 decimal places)…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter4: Chemical Foundations: Elements, Atoms, And Ions

Section: Chapter Questions

Problem 14ALQ: Chlorine has two prominent isotopes,37Cl and35Cl . Which is more abundant? How do you know?

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Complete the table.

Element	Isotope	No. of protons	No. of neutrons	Atomic mass (u)	Isotopic abundance	A_r (3 decimal places)
₁₇Cl	³⁵Cl			34.96885	75.5%
³⁷Cl			36.96590	24.5%
₂₉Cu	⁶³Cu			62.92960	69.15%
⁶⁵Cu			64.92779	30.85%
₃₅Br	⁷⁹Br			78.91834	50.8%
⁸¹Br			80.91629	49.2%
₃₀Zn	⁶⁴Zn			63.92914	49.17%
⁶⁶Zn			65.92603	27.73%
⁶⁷Zn			66.92713	4.04%
⁶⁸Zn			67.92484	18.45%
⁷⁰Zn			69.92532	0.61%
₂₆Fe	⁵⁶Fe			53.93961	5.845%
⁵⁴Fe			55.93494	91.754%
⁵⁷Fe			56.93539	2.119%
⁵⁸Fe			57.93327	0.282%

No. of
No. of
Atomic
Isotopic
A,
Element
Isotope
protons
mass (u)
abundance (3 decimal places)
neutrons
35CI
37CI
34.96885
75.5%
17CI
36.96590
24.5%
62.92960
69.15%
29 Cu
65Cu
64.92779
30.85%
79Br
78.91834
50.8%
35 Br
80.91629
49.2%
6AZN
49.17%
63.92914
65.92603
27.73%
30Zn
67Zn
66.92713
4.04%
67.92484
18.45%
70Zn
56FE
54Fe
57FE
69.92532
0.61%
53.93961
5.845%
55.93494
91.754%
26 Fe
56.93539
2.119%
57.93327
0.282%

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