Chapter 1 Vocab

Question 0

Chemical

Answer 0

A substance that has a definite composition

Question 1

Chemistry

Answer 1

Study of the composition, structure, and properties of matter and the changes it undergoes

Question 2

Mass

Answer 2

The measure of the amount of matter

Question 3

Matter

Answer 3

Anything that has mass and takes up space

Question 4

Atom

Answer 4

Smallest unit of an element that retains all of the properties of that element

Question 5

Element

Answer 5

Pure substance that can not be broken down by normal means

Question 6

Compound

Answer 6

A substance that is made up of two or more elements that are chemically bonded

Question 7

Extensive Properties

Answer 7

Properties that depend on the amount of matter present

Question 8

Intensive Properties

Answer 8

Properties that do not depend on the amount of matter present

Question 9

Physical Properties

Answer 9

Characteristics that can be observed or measured without changing the chemical’s make up

Question 10

Physical Change

Answer 10

Change that does not change the substance’s chemical properties

Question 11

Change of State

Answer 11

Physical change in a substance from one state to another

Question 12

Solid

Answer 12

Matter with a definite volume and shape

Question 13

Liquid

Answer 13

Matter with a definite volume but no definite shape

Question 14

Gas

Answer 14

Matter with no definite volume or shape

Question 15

Plasma

Answer 15

High - temperature physical state where atoms lose most of their particles

Question 16

Chemical Properties

Answer 16

Relates to a substance’s ability to undergo change

Question 17

Chemical Reaction

Answer 17

Substances change into other substances

Question 18

Reactants

Answer 18

Substances before the chemical reaction

Question 19

Products

Answer 19

Substances after the chemical reaction

Question 20

Mixture

Answer 20

Blend of two or more different kinds of matter

Question 21

Homogeneous

Answer 21

Uniform in composition; mixes well

Question 22

Solutions

Answer 22

Mixtures that stay together

Question 23

Heterogeneous

Answer 23

Not uniform throughout; doesnt mix well

Question 24

Pure substance

Answer 24

Fixed composition; exact same everytime

Question 25

Groups

Answer 25

Vertical columns on periodic table

Question 26

Families

Answer 26

Another name for groups

Question 27

Periods

Answer 27

Horizontal rows on periodic table

Question 28

Metal

Answer 28

Element that is a good conductor of heat and electricity

Question 29

Nonmetalp

Answer 29

Element that is a poor conductor of heat and electricity

Question 30

Metalloid

Answer 30

Somewhat of a metal and a nonmetal