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Izzy122 Izzy122
wrote...
Posts: 437
4 years ago
Cm decays by alpha emission to give Pu. If unshaded spheres represent Cm atoms and shaded spheres represent Pu atoms, how many half-lives have passed in the following example?




▸ 1 half-life

▸ 2 half-lives

▸ 3 half-lives

▸ 4 half-lives
Textbook 
Chemistry

Chemistry


Edition: 7th
Authors:
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Replies
wrote...
4 years ago
2 half-lives
wrote...
4 years ago
C decays by beta emission to give N. If unshaded spheres represent C atoms and shaded spheres represent N atoms, how many half-lives have passed in the following example?




▸ 1 half-life

▸ 2 half-lives

▸ 3 half-lives

▸ 4 half-lives
wrote...
4 years ago
3 half-lives
wrote...
4 years ago
Po decays by electron capture to give Bi. If unshaded spheres represent Po atoms and shaded spheres represent Bi atoms, how many half-lives have passed in the following example?




▸ 1 half-life

▸ 2 half-lives

▸ 3 half-lives

▸ 4 half-lives
wrote...
4 years ago
4 half-lives
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