vocab

Question 1

measure of the amount of matter in an object

Answer 1

mass

Question 2

anything that has mass and takes up space

Answer 2

matter

Question 3

smallest unit of an element that maintains the chemical properties of that element

Answer 3

atom

Question 4

substance that cannot be separated or broken down into simpler substances by chemical means

Answer 4

element

Question 5

substance made up of atoms of two or more different elements joined by chemical bonds

Answer 5

compound

Question 6

property that depends on the extent or size of a system

Answer 6

extensive property

Question 7

property that doesn’t depend on the amount of matter present, such as pressure, temperature, or density

Answer 7

intensive property

Question 8

characteristic of a substance that doesn’t involve a chemical change, such as density, color, or hardness

Answer 8

physical property

Question 9

change of matter from one form to another without a change in chemical properties

Answer 9

physical change

Question 10

the change of a substance from one physical state to another

Answer 10

change of state

Question 11

state of matter in which the volume and shape of a substance are fixed

Answer 11

solid

Question 12

state of matter that has a definite volume but not definite shape

Answer 12

liquid

Question 13

form of matter that does not have a definite volume or shape

Answer 13

gas

Question 14

state of matter that starts as a gas and then becomes ionized

Answer 14

plasma

Question 15

property of matter that describes a substance’s ability to participate in chemical reactions

Answer 15

chemical property

Question 16

change that occurs when one or more substances change into a entirely new substance with different properties

Answer 16

chemical change

Question 17

process by which one or more substances change to produce one or more different substances

Answer 17

chemical reaction

Question 18

substance or molecule that participates in a chemical reaction

Answer 18

reactant

Question 19

substance that forms in a chemical reaction

Answer 19

product

Question 20

combination of 2 or more substances that aren’t chemically combined

Answer 20

mixture

Question 21

describes something that has a uniform structure

Answer 21

homogeneous

Question 22

homogeneous mixture of 2 or more substances uniformly dispersed throughout a single phase

Answer 22

solution

Question 23

composed of dissimilar components

Answer 23

heterogenous

Question 24

sample of matter, either a single element or a single compound, that has definite chemical and physical properties

Answer 24

pure substance