Chemistry, 23.04.2021 23:10 esnyderquintero
Radium-222 undergoes radioactive decay to produce radon-218. Which
particle needs to be added to this equation to show that the total numbers of
neutrons and protons are not changed by the reaction?
22 Ra
21°Ra + ?
88
86
A. He
B. o
tie
c. Le
D. He
Answers: 3
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Radium-222 undergoes radioactive decay to produce radon-218. Which
particle needs to be added to t...
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