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Tritium ( H )Is an Isotope of Hydrogen That

Question 28

Multiple Choice

Tritium ( Tritium ( H ) is an isotope of hydrogen that is sometimes used to make the hands of watches glow in the dark.The half-life of tritium is 12.3 years.After 49 years,approximately how much of the original tritium remains? A) 50% B) 25% C) 12.5% D) 6.25% E) 3.12% H ) is an isotope of hydrogen that is sometimes used to make the hands of watches glow in the dark.The half-life of tritium is 12.3 years.After 49 years,approximately how much of the original tritium remains?


A) 50%
B) 25%
C) 12.5%
D) 6.25%
E) 3.12%

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