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serg [7]
2 years ago
14

During alpha emission, the mass number is reduced by ________ and the atomic number is decreased by ________.

Chemistry
1 answer:
trasher [3.6K]2 years ago
4 0
The mass number is reduced by 4 and the atomic number decreases by 2 (because the atom loses 2 protons and 2 neutrons)
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