Chemistry, 19.07.2019 14:00 mawawakaiii
It takes 5.2 minutes for a 4.0 g sample of francium-210 to decay until only 1.0 g is left. what is the half-life of francium-210? 7.8 minutes 1.3 minutes 2.6 minutes 5.2 minutes
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It takes 5.2 minutes for a 4.0 g sample of francium-210 to decay until only 1.0 g is left. what is t...
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