Calculate the average atomic mass of an element that has an isotope with a mass of 35.00 amu (75% abundance) and another isotope with a mass of 37.00 (25% abundance). What is this element?
Calculate the average atomic mass of an element that has an isotope with a mass of 35.00 amu (75% abundance) and another isotope with a mass of 37.00 (25% abundance). What is this element?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 23E: Average atomic masses listed by JUPAC are based on a study of experimental results. Bromine has two...
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Calculate the average atomic mass of an element that has an isotope with a mass of 35.00 amu (75% abundance) and another isotope with a mass of 37.00 (25% abundance). What is this element? Make sure to prove this with your math calculations.
Transcribed Image Text:B IU
SA E I I
Compiete the following chart. All atoms on this chart are neutrai. Isotopes exampies
have been included, so an element may appear more than once.
element
atomic #
mass #
e-
n0
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
H.
1
1
1
1
C
12
6.
7
Ва
56
137
56
56
81
Rn
86
224
86
86
138
Tc
43
98
43
43
55
!!
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