6 Radioactivity

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Question 109

H

A nucleus changes from $86220Rn{}^{220}_{86}\mathrm{Rn}$ to $84212Po{}^{212}_{84}\mathrm{Po}$ through a series of alpha and beta-minus decays. Which particles carry away the missing nucleons and balance the total charge?

[1]

two alpha particles and two beta-minus particles

four alpha particles and two beta-minus particles

four alpha particles and four beta-minus particles

two alpha particles and four beta-minus particles

6 Radioactivity

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Question 109

H

A nucleus changes from $86220Rn{}^{220}_{86}\mathrm{Rn}$ to $84212Po{}^{212}_{84}\mathrm{Po}$ through a series of alpha and beta-minus decays. Which particles carry away the missing nucleons and balance the total charge?

[1]

two alpha particles and two beta-minus particles

four alpha particles and two beta-minus particles

four alpha particles and four beta-minus particles

two alpha particles and four beta-minus particles

6 Radioactivity

Question 109

Markscheme

6 Radioactivity

Question 109

Markscheme

6 Radioactivity

Question 109

6 Radioactivity Questions

6 Radioactivity

Question 109

6 Radioactivity Questions