Element X has two isotopes. The first isotope has a natural abundance of 80% and has a mass of 60 amu. The second isotope has a natural abundance of 20% and has a mass of 64 amu. Is the average mass going to be closer to 60 or 64 amu and why?
Element X has two isotopes. The first isotope has a natural abundance of 80% and has a mass of 60 amu. The second isotope has a natural abundance of 20% and has a mass of 64 amu. Is the average mass going to be closer to 60 or 64 amu and why?
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:IUS A
e-
n0
element
atomic #
mass #
Ne
10
20
10
10
10
Na
11
23
11
11
12
Ni
28
59
28
28
31
Pb
82
207
82
82
125
Cn
112
277
112
112
165
CI
17
35
17
17
18
1
1
1
1
0.
C
12
6.
6.
7
Ва
56
137
56
56
81
Rn
86
224
86
86
138
Tc
43
98
43
43
55
1. Element X has two isotopes. The first isotope has a natural abundance of
80% and has a mass of 60 amu. The second isotope has a natural
abundance of 20% and has a mass of 64 amu. Is the average mass going to
be closer to 60 or 64 amu and why?
四
四
III
!!
三
B
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