Stoichiometry Vocab

2. This is a ratio elements in a compound using the smallest whole numbers
3. The number of atoms in exaclty 12g of carbon-12. Rounded to four figures 6.022 x 10²³
6. one in which an element reacts by replacing another element in a compound
7. The ratio of the actual yield to the theoretical yield, multiplied by 100
9. The study of the quantities of materials consumed and produced in chemical reactions
11. This refers to the number of grams of a given element in 100g of a compound
12. An instrument used to determine the relative masses of atoms by the deflection of their ions on a magnetic field
14. Symbolic representations 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 stoms of each element on the right side
16. A quantity of a substance that contains Avagadro's number of items
17. One in which a single compound breaks up into two or more other substances
18. Chemical substances involved at the start of a chemical reaction
19. A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
20. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
21. The reactant that is used up when a reaction goes to completion

1. one in which two compounds exchange parts to form two new compounds.
4. This is the actual formula of each element in a compound
5. This is the mass of one mole of a compound
7. Chemical substances that result from a chemical reaction
8. The weighted average of the masses of all naturally occurring isotopes of an element
10. The calculated maximum mass of a product that can be obtained from the given amounts of reactants
13. One in which two substances chemically combine to form a third
15. One that contains the relative amounts of reactants that match the number in the balanced equation