What does it mean for a chemical equation to be balanced? a) the number of atoms is the same for both the reactants and products. b) the number of each type of atom is the same for both the reactants and products. c) the number of different molecules has to be the same for both the reactants and products.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line