hernanlu1 hernanlu1

03-01-2024
Chemistry

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When 42/19 K undergoes decay, the result is two products, one of which is calcium-42. What is the other product?

a. 4/2 He
b. 2/4 He
c. 1/1 e
d. 0/-1 e

I've searched around and the answer is apparently D, but it just isn't adding up correctly for me. Explanation?

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