princemajors28 princemajors28

04-03-2022
Chemistry

contestada

When radioactive thorium (Th) decays it emits a beta particle and produces protactinium (Pa) as seen in the nuclear equation. The atomic mass of thorium missing in the nuclear equation must be A) 233. B) 234. C) 235. D) 238.

Respuesta :

delgadodorvilus delgadodorvilus

07-03-2022

Answer:

B

Explanation:

234 i did this on usatestprep

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