Tritium is an isotope of hydrogen that has two neutrons in addition to its proton. Tritium undergoes $\beta$^- decay with a half-life of 12.3 years. What percentage of an initially pure sample of tritium will remain undecayed after 35 years? A)2.9 % B)6.0 % C)7.0 % D)14 % E)19 %

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The Answer of Tritium is an isotope of hydrogen that has two neutrons in addition to its proton. Tritium undergoes $\beta$^- decay with a half-life of 12.3 years. What percentage of an initially pure sample of tritium will remain undecayed after 35 years? A)2.9 % B)6.0 % C)7.0 % D)14 % E)19 %

Tritium Is an Isotope of Hydrogen That Has Two Neutrons β\betaβ

Tritium Is an Isotope of Hydrogen That Has Two Neutrons $\beta$