Examlex
Magnesium has atomic number 12.In its ground state,how many electrons are in its n = 3 shell?
Compound
A chemical substance made up of two or more elements chemically bonded together.
Compound
A substance made up of two or more elements chemically combined in fixed ratios.
Reaction
A process in which chemical substances interact, leading to the rearrangement of their atomic connectivity and the formation of different substances.
Compound
A substance formed from two or more elements that are chemically combined in fixed proportions.
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