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Br- has 36 electrons.

Bromide: Group 17, Period IV:

(K,L,M,N): 2, 8, 18, 7+1 (1 extra for Br-) = total 35+1= 36 electrons

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What is the charge on a bromine atom that contains 36e?

A bromine atom with 36 electrons is neutral, as the number of protons (which is equal to the atomic number, 35 for bromine) is balanced by the number of electrons. The charge on a neutral bromine atom is 0.


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An ion of bromine typically has 36 electrons since bromine has 35 electrons in its neutral state, but the charge of the ion will determine the exact number.


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The overall charge of an atom is negative if the number of electrons is less than the number of protons?

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