How many electrons will Br (Bromine) most likely be gained or lost

The atomic number for bromine is 35, which means it has 35 protons in its atomic nuclei . A neutral bromine atom would also have 35 electrons. In order for a bromine atom to become a 1 − bromide ion, it would have to gain an additional electron. Below is the Lewis dot structure for a neutral bromine atom, which has seven valence electrons.

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answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

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