Great introduction lesson that explains how to calculate the number of atoms in compounds.
It goes step-by-step to really show how we get the number of atoms in a compound.
•1st subscripts with practice problems
•2nd parenthesis with subscripts with practice problems
•3rd coefficients with practice problems
•4th it puts all of them together with practice problems
A must have to teach this difficult to understand concept.
I DO NOT FOCUS ON THE CORRECT DRAWINGS WITH BONDS YET. I LET THEM UNDERSTAND HOW TO COUNT BEFORE WE GET INTO PROPER MOLECULAR ARRANGEMENT.
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