tobihall52 tobihall52

17-04-2021
Chemistry

contestada

Radium decays to form radon. *x26Ra 222 Rn + He 86 This type of nuclear decay is called

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keijosalonen keijosalonen

17-04-2021

Answer: it's alpha decay (α)

Explanation: mass number of mother nucleus decreases by four and number of protons decreases by two. Smaller nucleus is He-4 nucleus.

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kapache15 kapache15

20-04-2021

Answer:

Alpha decay

Explanation:

Got it right on edge

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