Krypton consists of several radioactive isotopes, some of which are listed in the following table. Isotope Half-life Kr-73 27 s Kr-74 11.5 min Kr-76 14.8 h Kr-81 2.1 x 105 yr Which of these isotopes is most stable and which isotope is "hottest"? is the most stable because it has the How long does it take for 87.5% of each isotope to decay? Kr-73 Kr-74 Kr-76 Kr-81 S min h yr half-life, whereas is the hottest (least stable) since it has the

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Krypton consists of several radioactive isotopes, some of which are listed in the following table.
Isotope
Half-life
Kr-73
27 s
Kr-74
11.5 min
Kr-76
14.8 h
Kr-81
2.1 x 105 yr
Which of these isotopes is most stable and which isotope is "hottest"?
is the most stable because it has the
How long does it take for 87.5 % of each isotope to decay?
Kr-73
Kr-74
Kr-76
Kr-81
S
min
h
yr
✓half-life, whereas
is the hottest (least stable) since it has the
V
Transcribed Image Text:Krypton consists of several radioactive isotopes, some of which are listed in the following table. Isotope Half-life Kr-73 27 s Kr-74 11.5 min Kr-76 14.8 h Kr-81 2.1 x 105 yr Which of these isotopes is most stable and which isotope is "hottest"? is the most stable because it has the How long does it take for 87.5 % of each isotope to decay? Kr-73 Kr-74 Kr-76 Kr-81 S min h yr ✓half-life, whereas is the hottest (least stable) since it has the V
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