Chapter 2 - Matter And Change

Question 1

Mass

Answer 1

a coherent, typically large body of matter with no definite shape

Question 2

Extensive property

Answer 2

extensive property is a property that changes when the size of the sample changes

Question 3

Intensive property

Answer 3

bulk property, meaning that it is a physical property of a system that does not depend on the system size or the amount of material in the system

Question 4

Substance

Answer 4

particular kind of matter with uniform properties

Question 5

Physical change

Answer 5

changes affecting the form of a chemical substance, but not its chemical composition

Question 6

Homogeneous Mixture

Answer 6

mixture which has uniform composition and properties throughout

Question 7

Heterogenous mixture

Answer 7

combination of two or more pure substances in which the original substances retain their chemical properties

Question 8

Filtration

Answer 8

the action or process of filtering something

Question 9

Distillation

Answer 9

the action of purifying a liquid by a process of heating and cooling

Question 10

Element

Answer 10

each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter

Question 11

Compound

Answer 11

a thing that is composed of two or more separate elements; a mixture

Question 12

Chemical change

Answer 12

any change that results in the formation of new chemical substances

Question 13

Precipitate

Answer 13

cause (a substance) to be deposited in solid form from a solution

Question 14

Law of Conservation of Mass

Answer 14

Matter cannot be destroyed or created