4) Chlorine has two naturally occurring isotopes: Isotopes of Chlorine: Percent Abundance: 75.78% Atomic Mass: 34.969 amu 36.966 amu Chlorine-35 24.22% Chlorine-37 Calculate the average atomic mass for the two isotopes of Chlorine. 5) Two isotopes of Bromine naturally occur: Atomic Mass: Isotopes of Bromine: Bromine-79 Percent Abundance: 50.69% 78.92 amu 49.31% 80.92 amu Bromine-81 Calculate the average atomic mass for the two isotopes of Bromine. 6) Lead has four naturally occurring isotopes: Isotopes of Lead: Lead-204 Percent Abundance: Atomic Mass: 1.4% 204 amu Lead-206 24.1% 206 amu 22.1% 207 amu Lead-207 Lead-208 52.4% 208 amu Calculate the average atomic mass for the four isotopes of Lead.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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4) Chlorine has two naturally occurring isotopes:
Isotopes of Chlorine:
Chlorine-35
Percent Abundance:
Atomic Mass:
75.78%
34.969 amu
24.22%
36.966 amu
Chlorine-37
Calculate the average atomic mass for the two isotopes of Chlorine.
5) Two isotopes of Bromine naturally occur:
Isotopes of Bromine:
Bromine-79
Atomic Mass:
Percent Abundance:
50.69%
78.92 amu
49.31%
80.92 amu
Bromine-81
Calculate the average atomic mass for the two isotopes of Bromine.
6) Lead has four naturally occurring isotopes:
Isotopes of Lead:
Atomic Mass:
Percent Abundance:
1.4%
204 amu
Lead-204
Lead-206
24.1%
206 amu
Lead-207
22.1%
207 amu
52.4%
208 amu
Lead-208
Calculate the average atomic mass for the four isotopes of Lead.
Transcribed Image Text:4) Chlorine has two naturally occurring isotopes: Isotopes of Chlorine: Chlorine-35 Percent Abundance: Atomic Mass: 75.78% 34.969 amu 24.22% 36.966 amu Chlorine-37 Calculate the average atomic mass for the two isotopes of Chlorine. 5) Two isotopes of Bromine naturally occur: Isotopes of Bromine: Bromine-79 Atomic Mass: Percent Abundance: 50.69% 78.92 amu 49.31% 80.92 amu Bromine-81 Calculate the average atomic mass for the two isotopes of Bromine. 6) Lead has four naturally occurring isotopes: Isotopes of Lead: Atomic Mass: Percent Abundance: 1.4% 204 amu Lead-204 Lead-206 24.1% 206 amu Lead-207 22.1% 207 amu 52.4% 208 amu Lead-208 Calculate the average atomic mass for the four isotopes of Lead.
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