Chemical Equations

Question 1

Represented by chemical equations

Answer 1

Chemical Reactions

Question 2

Chemical equations are written using _____ and ______

Answer 2

Symbols; Formulas

Question 3

Represents elements in the reaction

Answer 3

Symbols

Question 4

Represents the compounds in the reaction

Answer 4

Formulas (Reactants and Products)

Question 5

The substances that are involved in the reaction

Answer 5

Reactants

Question 6

The new substances that are formed by the reaction

Answer 6

Products

Question 7

When a substance reacts to oxygen to form either CO2 or water

Answer 7

Combustion

Question 8

Arrow in equations means

Answer 8

React to form

Question 9

The chemical equation must be

Answer 9

Balanced

Question 10

Must be the same # ____ of each element on both sides of the arrow

Answer 10

Atoms

Question 11

Number placed in front of a symbol or formula in order to multiply it

Answer 11

Coefficient

Question 12

Unit that is used to measure the amount of a substance,

Answer 12

Moles

Question 13

Can be measured by # of atoms, molecules, or mass of a substance

Answer 13

Moles