Homework Sourse2 Tritium CH is used in glowing EXIT signs located where the
2. Tritium CH) is used in glowing \"EXIT\" signs located where there is no electricity for lightbulbs. If the half-life of tritium is 12.26 years, what percentage of the original quantity of the isotope is left in the sign after 20.0 years? a. 0.677% b. 67.7% c. 0.323% d. 32.3% e. 25.0% ![2. Tritium CH) is used in glowing \](/WebImages/40/2-tritium-ch-is-used-in-glowing-exit-signs-located-where-the-1122004-1761597316-0.webp "2. Tritium CH) is used in glowing \")
Solution
5.a it is an nuclear fusion reaction.
Two deuterium molecules. Combine together and releases excess energy. It is called nuclear fusion.
