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jok3333 [9.3K]
3 years ago
5

After undergoing alpha decay, an atom of radium-226 becomes

Chemistry
1 answer:
Zanzabum3 years ago
8 0
The answer is b. radon-222. The alpha decay means that it will emit an alpha particle when decays. The alpha particle has two protons and two neutrons. So Radium(88) minus two protons will become Radon(86). And the atomic mass will become 226-4=222.
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