Question 1 (10 points)
Match each definition to the correct vocabulary word.
Column A
1.
A law that states, "matter cannot be created or destroyed in a chemical reaction.":
A law that states, "matter cannot be created or destroyed in a chemical reaction."
2.
A written representation of a chemical reaction using symbols and numbers.:
A written representation of a chemical reaction using symbols and numbers.
3.
Final substance in a chemical reaction.:
Final substance in a chemical reaction.
4.
An initial substance in a chemical reaction.:
An initial substance in a chemical reaction.
5.
A process in which atoms of the reactants rearrange to form a new substance or substances.:
A process in which atoms of the reactants rearrange to form a new substance or substances.
6.
The amount of matter contained in one atom of an element. Measured in units of amu.:
The amount of matter contained in one atom of an element. Measured in units of amu.
7.
The quantitative study of the amounts of reactants and products in a chemical reaction.:
The quantitative study of the amounts of reactants and products in a chemical reaction.
8.
The mass, in grams, of one mole of a pure substance.:
The mass, in grams, of one mole of a pure substance.
9.
A value used to determine the number of atoms needed to make the average mass of one particle of an element equal to the mass of one mole of the element.:
A value used to determine the number of atoms needed to make the average mass of one particle of an element equal to the mass of one mole of the element.
10.
The amount of a substance containing 6.022 x 1023 particles of the substance.
:
The amount of a substance containing 6.022 x 1023 particles of the substance.
Column B
a.Mole
b.Product
c.Chemical reaction
d.Atomic mass
e.Chemical equation
f.Reactant
g.Avogadro's number
h.Molar mass
i.Stoichiometry
j.Law of conservation of mass
1. j. Law of conservation of mass
2. e. Chemical equation
3. b. Product
4. f. Reactant
5. c. Chemical reaction
6. d. Atomic mass
7. i. Stoichiometry
8. h. Molar mass
9. g. Avogadro's number
10. a. Mole