Matter

Question 1

volume

Answer 1

measure of the space occupied by the object

Question 2

extensive property

Answer 2

property that depends on the amount of matter in a sample

Question 3

intensive property

Answer 3

property that depends on the type of matter in a sample

Question 4

substance

Answer 4

matter that has a uniform and definite composition

Question 5

physical property

Answer 5

quality or condition of a substance that can be observed or measured without changing the substance’s composition

Question 6

solid

Answer 6

form of matter that has definite shape and volume

Question 7

liquid

Answer 7

form of matter that has an indefinite shape but fixed volume

Question 8

gas

Answer 8

form of matter that takes shape and volume of container

Question 9

vapor

Answer 9

describes the gaseous state of a substance that is generally a liquid or solid at room temperature

Question 10

physical change

Answer 10

some properties of a material change, but the composition of the material does not change

Question 11

mass

Answer 11

a measure of the amount of matter the object contains

Question 12

mixture

Answer 12

physical blend of two or more components

Question 13

heterogeneous mixture

Answer 13

a mixture in which the composition is not uniform throughout

Question 14

homogeneous mixture (solution)

Answer 14

a mixture in which the composition is uniform throughout

Question 15

phase

Answer 15

used to describe any part of a sample with uniform composition and properties

Question 16

filtration

Answer 16

process that separates a solid from the liquid in a heterogenous mixture

Question 17

distillation

Answer 17

a liquid is boiled to produce a vapor that is then condensed into a liquid

Question 18

element

Answer 18

simples form of matter that has a unique set of properties

Question 19

compound

Answer 19

substance that contains two or more elements chemically combined in a fixed proportion

Question 20

chemical change

Answer 20

a change that produces matter with a different compositions than the original matter

Question 21

chemical symbol

Answer 21

how an element is represented by a one- or two- letter

Question 22

periodic table

Answer 22

arrangement of elements in which the elements are separated into groups based on a set of repeating properties.

Question 23

period

Answer 23

horizontal row in periodic table

Question 24

group (family)

Answer 24

vertical column in periodic table

Question 25

chemical property

Answer 25

the ability of a substance to undergo a specific chemical change

Question 26

chemical reaction

Answer 26

one or more substances change into one or more new substances

Question 27

reactant

Answer 27

a substance present at the start of the reaction

Question 28

product

Answer 28

a substance produced in the reaction

Question 29

precipitate

Answer 29

a solid that forms and settles out of a liquid mixture

Question 30

law of conservation of mass

Answer 30

states that in any physical change or chemical reaction, mass is conserved.