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Chemistry, 22.07.2019 02:30 ihatemylifebutohwell
We know that a neutral atom of bromine (br) is larger than a neutral atom of magnesium (mg) because a.) group numbers tells us how many electrons orbitals surround a nucleus, bromine is in group 7a while magnesium is in group 2a b.)period numbers tells us how many electron orbitals surround a nucleus, bromine is in period 4 while magnesium is in period 3 c.)atoms with many electrons are always larger than atoms with fewer electrons, a neutral atom of bromine has 35 electrons while neutral atom of magnesium has only 12. d.) bromine and magnesium has very different physical and chemical properties.
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