chapter 7 vocabulary

Question 1

matter

Answer 1

anything that has mass and takes up space

Question 2

atom

Answer 2

small particle that is a building block of matter

Question 3

substance

Answer 3

matter with composition that is always the same

Question 4

element

Answer 4

a substance with only one type of matter

Question 5

compound

Answer 5

type of substance containing atoms of 2+ elements chemically bonded

Question 6

mixture

Answer 6

matter that can vary in composition

Question 7

heterogenous mixture

Answer 7

type of mixture with individual substances that are not evenly mixed

Question 8

homogenous mixture

Answer 8

type of mixture with substances that are evenly mixed

Question 9

dissolve

Answer 9

form a solution by mixing evenly

Question 10

physical property

Answer 10

characteristic of matter that you can observe or measure without changing identity of matter

Question 11

mass

Answer 11

amount of matter in an object

Question 12

density

Answer 12

mass per unit volume of a substance

Question 13

solubility

Answer 13

ability of one substance to dissolve in another

Question 14

physical change

Answer 14

change in size, shape, form, or state of matter in which the matter’s identity stays the same

Question 15

chemical property

Answer 15

characteristic of matter that can be observed as it changes to a different type of matter

Question 16

chemical change

Answer 16

change in which the substances that make up the matter change into other substances with new physical and chemical properties

Question 17

concentration

Answer 17

amount of substance in a certain volume