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In chemical compounds, subscripts indicate how many of that element are present in the compound, compared to the rest of the compound.
In MgCl2, the subscript indicates that there are two chlorine atoms for every atom of magnesium.
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∙ 14y ago
Wiki User
∙ 12y agoIt indicates that there are two chloride ions for each magnesium ion.
Wiki User
∙ 11y agoIt indicates that there are two chlorine atoms in each element of MgCl2.
Wiki User
∙ 8y agoThe number of atoms of that element present in the molecule.
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30 examples of variables?
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