03-03-2019
Physics

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How does an atom of bromine-79 become a bromide ion with a -1 charge?
A. The atom loses 1 proton to have a total of 34
B. The atom loses 1 protron to have a total of 78
C. The atom gains 1 electron to have a total of 43
D. The atom gains 1 electron to have a total of 36

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03-03-2019

a the atom loses 1 proton to have a total of 34

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