When a chemical formula is written,the more metallic element is placed first.

Name: When a chemical formula is written,the more metallic element is placed first.
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This is a common convention in writing chemical formulas, where the more metallic element (usually a metal) is listed first followed by the less metallic element (usually a nonmetal or metalloid). However, there are exceptions or variations to this rule depending on the type of chemical compound or context.

When a Chemical Formula Is Written,the More Metallic Element Is