Chemistry Vocab

6. chemical substances involved at the start of a chemical reaction.
10. the actual yeild divided by the theotrical yeild times 100, the ratio of the actual yeild to the theotrical yeild x100
13. a quantity of a substance that contains avagadro's number
15. this is the ratio elements in a compound using the smallest whole numbers.
16. a conversion factor that relates the amounts in moles of any 2 substances involved in a chemical reaction
19. one that contains the relative amounts of reactants that match the number in the balanced equation
20. symbolic representation of a chemical reaction where the number of atoms of each element is on the left of the arrow is equal to the number of atoms of each element on the right.
21. the study of the quantities of materials consumed and produced
22. this is the actual formula of each element in a compound.

1. a conversion factor that relates the amount of moles of any two sustances involved in a chemical reaction
2. this refers to the number of grams of a given element in 100g of a compound.
3. one in which two substances chemically combine to form a third.
4. one in which a single compound breaks up into two or ore other substances
5. the weighted average of the masses of all ocurring isotopes of an element.
7. one in which an element reacts by replacing another element in a compound.
8. the reactant that is used up when a reaction goes to completion
9. an instrument used to determine the relative masses of atoms by the deflection of their ions on a magnetic feild.
11. the number of of atoms in exactly 12g of carbon 12 rounded to 4 figures 6.022x10²³
12. one in which two compounds exchange parts to form two new compounds.
14. this is the mass of one mole of a compound.
17. chemical substances that result from a cheical reaction
18. calculated maximum mass of a product that can be obtained from the given amounts of reactants.