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6 Radioactivity

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Question 14

An alpha particle ( $24He^{4}_{2}\text{He}$ nucleus) and a fully ionised lithium-7 ( $37Li^{7}_{3}\text{Li}$ nucleus) are compared.

Assuming the mass of a proton is equal to the mass of a neutron, what is the ratio of the specific charge of the alpha particle to the specific charge of the lithium-7 nucleus?

\frac{\text{specific charge of the alpha particle}}{\text{specific charge of the lithium-7 nucleus}}

$67\frac{6}{7}$

$76\frac{7}{6}$

$914\frac{9}{14}$

$149\frac{14}{9}$

Markscheme

6 Radioactivity Questions

GCSE
Physics
6 Radioactivity

6 Radioactivity

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6 Radioactivity

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Question 14

An alpha particle ( $24He^{4}_{2}\text{He}$ nucleus) and a fully ionised lithium-7 ( $37Li^{7}_{3}\text{Li}$ nucleus) are compared.

Assuming the mass of a proton is equal to the mass of a neutron, what is the ratio of the specific charge of the alpha particle to the specific charge of the lithium-7 nucleus?

\frac{\text{specific charge of the alpha particle}}{\text{specific charge of the lithium-7 nucleus}}

$67\frac{6}{7}$

$76\frac{7}{6}$

$914\frac{9}{14}$

$149\frac{14}{9}$

Markscheme

6 Radioactivity Questions

GCSE
Physics
6 Radioactivity