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Chemistry, 03.07.2019 05:30 joselynrobles
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.)bromine and magnesium have very different physical and chemical properties.
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We know that a neutral atom of bromine (br) is larger than a neutral atom of magnesium (mg) because...
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