The bromide ion is is smaller than the bromide atom?

The bromide ion always has a 1- charge.

Bromide ions are larger than bromine atoms because the ion has one more electron than the neutral atom. The extra electron is less tightly bound than the other electrons because it experiences a...

Smaller, because it has one less electron than its parent

its smaller because the ion in negative and the atom is positive so the ion has lost 1 more electron

The ion has two electrons removed to make Mg2+. However, there are still the same number of protons in the nucleus but they have two less electrons to attract and thus pull the remaining 10 electrons...