Using the mass spectrum below and assuming the "parent" isotope has a 250 million year half-life, how old is the sample being analyzed?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Related questions
Question
100%
20
0
"Parent"
"Daughter"
isotope
isotope
material
material
1 billion years old
125 million years old
500 million years old
250 million years old
11:02
to search
Rain..
99+
2/3/2
DELL
F7
F8
F9
F10
F11
F12
PrtScr
Insert
44
H4
%23
24
%
&
4
5n
6
7
Y
U
P
D
G
J.
L
C
V
B
Alt
Alt
Ctrl
この
Σ
LE
Relative
Transcribed Image Text:20 0 "Parent" "Daughter" isotope isotope material material 1 billion years old 125 million years old 500 million years old 250 million years old 11:02 to search Rain.. 99+ 2/3/2 DELL F7 F8 F9 F10 F11 F12 PrtScr Insert 44 H4 %23 24 % & 4 5n 6 7 Y U P D G J. L C V B Alt Alt Ctrl この Σ LE Relative
0:00
Time Left:0:57:57
Kaison Cummings: Attempt 1
Using the mass spectrum below and assuming the "parent" isotope has a 250 million
year half-life, how old is the sample being analyzed?
100
80
60
40
20
"Parent"
"Daughter"
nere to search
Rain..
99+
DELL
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
PriScr
411
23
&
3
4
Y
F
G
K
C
V
M
Alt
Ctri
Alt
....
V.
* 0
B
Relative Abundance (%)
Transcribed Image Text:0:00 Time Left:0:57:57 Kaison Cummings: Attempt 1 Using the mass spectrum below and assuming the "parent" isotope has a 250 million year half-life, how old is the sample being analyzed? 100 80 60 40 20 "Parent" "Daughter" nere to search Rain.. 99+ DELL F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PriScr 411 23 & 3 4 Y F G K C V M Alt Ctri Alt .... V. * 0 B Relative Abundance (%)
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Using the mass spectrum below and assuming the "parent" isotope has a 250 million year half-life, how old is the sample being analyzed?

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