Nuclear reactions worksheet focusing on radioactivity, including alpha, beta, and gamma decay, neutron bombardment, and positron decay, with a final calculation question on half-life.

A worksheet titled "24 • The Nucleus - Radioactivity" featuring a table of nuclear particles and nine nuclear reaction equations to complete, with spaces for identifying the decay type and filling in missing particles. The final question asks to calculate the number of half-lives for 100 grams of Radium-223 to decay into 3.125 grams of Radon-219.

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Show Answer Key & Explanations Step-by-step solution for: Solved 24 • The Nucleus - Radioactivity alpha, a beta, B- | Chegg.com

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1. ⁴₂He (alpha decay)
2. ⁰₋₁e (beta decay)
3. ²³⁰₈₉Ac (alpha decay)
4. ²¹⁸₈₄Po (alpha decay)
5. ²¹⁶₈₅At (beta decay)
6. ⁰₋₁e (beta decay)
7. ²¹⁰₈₄Po + ⁰₋₁e (beta decay)
8. ¹²₆C (neutron bombardment w/alpha emission)
9. ²³₁₁Na + ⁰₊₁e (positron decay w/gamma emission)
10. 4

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