Antimony has many uses, including infrared devices and as part of an alloy in lead storage batteries. The element has two naturally occurring isotopes, one with mass 120.904 amu, the other with mass 122.904 amu. A (a) Enter the X notation for each isotope. antimony–121 antimony–123 (b) The atomic mass of antimony is 121.8 amu. Use this value to calculate the percent abundance of each isotope. 55.2 % antimony–121 44.8 % antimony-123

Antimony has many uses, including infrared devices and as part of an alloy in lead storage batteries. The element has two naturally occurring isotopes, one with mass 120.904 amu, the other with mass 122.904 amu. A (a) Enter the X notation for each isotope. antimony–121 antimony–123 (b) The atomic mass of antimony is 121.8 amu. Use this value to calculate the percent abundance of each isotope. 55.2 % antimony–121 44.8 % antimony-123

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 44E: The element silver (Ag) has two naturally occurring isotopes: 109 Ag and 107Ag with a mass of...

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Question

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Please help me

Be sure to answer all parts.
Antimony has many uses, including infrared devices and as part of an alloy in lead storage batteries.
The element has two naturally occurring isotopes, one with mass 120.904 amu, the other with mass
122.904 amu.
A
(a) Enter the
X notation for each isotope.
Z
antimony-121
antimony-123
(b) The atomic mass of antimony is 121.8 amu. Use this value to calculate the percent abundance of
each isotope.
55.2
% antimony-121
44.8
% antimony-123

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