X is an element with 3 isotopes, X-139, X-140 and X-141. The relative abundance of each isotope is as shown in the pie chart. Reveal the identity of X. Given the average atomic masses of La, Ce and Pr are respectively 138.9055 amu, 140.1150 amu and 140.9076 amu.
X is an element with 3 isotopes, X-139, X-140 and X-141. The relative abundance of each isotope is as shown in the pie chart. Reveal the identity of X. Given the average atomic masses of La, Ce and Pr are respectively 138.9055 amu, 140.1150 amu and 140.9076 amu.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter2: Atoms Molecules And Ions
Section2.2: Isotopes And Atomic Weight
Problem 2.3CYU: Neon has three stable isotopes, one with a small abundance. What are the abundances of the other two...
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1
![Question 1
A)
X is an element with 3 isotopes, X-139, X-140 and X-141. The relative abundance of each
isotope is as shown in the pie chart. Reveal the identity of X. Given the average atomic
masses of La, Ce and Pr are respectively 138.9055 amu, 140.1150 amu and 140.9076 amu.
X-140
X-141
125
120
X-139
115](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48623609-688f-4356-8b23-f68d43f0f1aa%2F2147779e-32d4-40d8-b4c3-668a03102452%2Fr6dv7m2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 1
A)
X is an element with 3 isotopes, X-139, X-140 and X-141. The relative abundance of each
isotope is as shown in the pie chart. Reveal the identity of X. Given the average atomic
masses of La, Ce and Pr are respectively 138.9055 amu, 140.1150 amu and 140.9076 amu.
X-140
X-141
125
120
X-139
115
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