Across 3. formula using the simplest whole-number ratio up the atomic masses of all elements in completion 4. reactant that is not used up when the compound. The units are always 2. ratio of moles of one substance to a reaction is run to completion g/1 mol. another 7. a number on the same line of 13. compares the actual and 5. maximum amount of a product text. In chemistry is the number to the theoretical yield that can be given off left of a substance in a chemical (actual/theoretical) idea about the efficiency of a reaction. 6. process of using a alanced equation. idea about the equation to determine the realive 8. shows which elements are in the 14. a chemical reaction thamber of atoms of each element masses reactan compound and the actual number of on both sides of it; even if they are 10. the amount of a pure substance each arranged differently on each side. 10. the amount contains the same number of units 9. actual yeild of a product as a 15. the substances being made in 11. the ingredients in a chemical percentage chemical reaction; the substances on reaction; the substances on the left the right side of the arrow in a side of the arrow in a chemical chemical equation. equation