rebeccahelms81 rebeccahelms81

12-07-2020
Biology

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To what element does Thorium-230 (atomic number-90) decay when it emits an alpha particle (42He)? a. 22688Ra c. 22886Rn b. 23090Ra d. 22286Rn

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ujalakhan18 ujalakhan18

12-07-2020

Answer:

Option A

Explanation:

Thorium-230 decays to Radium-226 also emitting an [tex]\alpha[/tex] particle.

The reaction is as follows:

[tex]^{230}Th[/tex] => [tex]^{226} Ra + ^{4} He[/tex] (Alpha-particle)

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