An unknown element X has the following isotopes: 5²X (77.50% abundant), 4⁹X (8.00% abundant), 50X (14.50% abundant). What is the average atomic mass in amu of X?

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter31: Radioactivity And Nuclear Physics
Section: Chapter Questions
Problem 81PE: Unreasonable Results A physicist scatters (rays from a substance and sees evidence of a nucleus...
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1
An unknown element X has the
following isotopes: 52X (77.50%
abundant), 4⁹X (8.00% abundant),
50X (14.50% abundant). What is
the average atomic mass in amu
of X?
4
7
+/-
2
LO
Time's Up!
5
8
amu
3
6
9
0
Submit
Tap here or pull up for additional resources
X
C
x 100
Transcribed Image Text:1 An unknown element X has the following isotopes: 52X (77.50% abundant), 4⁹X (8.00% abundant), 50X (14.50% abundant). What is the average atomic mass in amu of X? 4 7 +/- 2 LO Time's Up! 5 8 amu 3 6 9 0 Submit Tap here or pull up for additional resources X C x 100
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