Chemical/Physical Properies & Changes (Vocab)

Question 1

Define Physical Property

Answer 1

Property of matter that can be measured or obstructed without matter changing to an entirely different substance

Question 2

Define Chemical Property

Answer 2

Property of matter that can be measured or observed only when matter changes to an entirely different substance

Question 3

Define Physical Change

Answer 3

A change in one or more of matters physical properties

Question 4

Define Chemical Change

Answer 4

Occurs whenever matter changes into an entirely different substance without different chemical properties
(EX: odor, burning, color change)

Question 5

Define Law of Conservation of Mass

Answer 5

Law stating that matter cannot be created or destroyed in chemical reactions

Question 6

Define Chemical Equations

Answer 6

A symbolic representation of a chemical reaction in the form of symbols
(EX: CH4 + 2O2 —> CO2 + 2H2O)

Question 7

Define Balancing Equations

Answer 7

An equation for a chemical reaction in which the number of atoms are equal on both sides, both reactants and products

Question 8

Define Reactants

Answer 8

Written on the left side of the equation

Reactants —> Products

Question 9

Define Products

Answer 9

During a chemical reaction, reactants are transformed into products

(Reactants —> Products)