chemical formula (review)

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hi shister !

the chemical formula is pretty easy, and is mostly review fo' u. but, we love an educated queen so...

•the elements in a compound are referred to by their chemical symbols ( duh ! )

subscript vs. coefficients

-while subscript only affects one element, coefficients affect the whole damn thing.

SO, if we have 4OH, then we have 4 oxygen and 4 hydrogen.

BUT, if we have OH ₄, then we have 1 oxygen and 4 hydrogen.

If we had 2CO ₂, then we have 2 carbon and 4 oxygen. (:

You can change coefficients but not subscripts in an equation.

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