Ch. 8 Vocab

Question 0

A solid that is produced as a result of a chemical reaction in solution and that separates from the solution

Answer 0

Precipitate

Question 1

Represents with symbols and formulas, the identities and relative molecular or molar amounts of the reactants and products in a chemical reaction

Answer 1

Chemical equation

Question 2

A small whole number that appears in front of a formula in a chemical equation

Answer 2

Coefficient

Question 3

An equation in which the reactants and products in a chemical reaction are represented by words

Answer 3

Word equation

Question 4

Represents the reactants and products of a chemical reaction by their symbols of formulas

Answer 4

Formula equation

Question 5

A chemical reaction in which the products re-form the original reactants

Answer 5

Reversible reaction

Question 6

Also known as a composition reaction, two or more substances combine to form a new compound

Answer 6

Synthesis reaction

Question 7

A single compound undergoes a reaction that produced two or more simpler substances

Answer 7

Decomposition reaction

Question 8

The decomposition of a substance by an electric current

Answer 8

Electrolysis

Question 9

Also known as a replacement reaction, one element replaced a similar element in a conpound

Answer 9

Single- displacement reaction

Question 10

A substance combined with oxygen, releasing a large amount of energy in the form of light and heat

Answer 10

Combustion reaction

Question 11

A list of elements organized according to the ease with which the elements undergo certain chemical reactions

Answer 11

Activity series

Question 12

The ions of two compounds exchange places in an aqueous solution to form two new compounds

Answer 12

Double- displacement reactions