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

Question

asked Mar 26, 2021 88.3k views

1 Answer

Kortschot · Answer 1 · 2021-03-30T19:49:25+0000

Answer:

Option A

Step-by-step explanation:

Thorium-230 decays to Radium-226 also emitting an
$\alpha$ particle.

The reaction is as follows:

^(230)Th =>
^(226) Ra + ^(4) He (Alpha-particle)