Notes From The Book 10-24

Question 1

Mass

Answer 1

A measure of the amount of matter

Question 2

Matter

Answer 2

Anything that has mass and takes up space

Question 3

Atom

Answer 3

The smallest unit of an element that maintains the properties of their element

Question 4

Element

Answer 4

A pure substance made of only one type of atom

Question 5

Compound

Answer 5

A substance that is made from the atoms of two or more elements that are chemically bonded

Question 6

Extensive Properties

Answer 6

Depends on the amount of matter that is present

Question 7

Intensive Properties

Answer 7

Do not depend on the amount of matter present

Question 8

Physical Property

Answer 8

A characteristic that can be observed or measured without changing the identity of the substance

Question 9

Physical Change

Answer 9

A change in a substance that does not involve a change in the identity of the substance

Question 10

Change of State

Answer 10

A physical change of a substance from one state to another

Question 11

Solid

Answer 11

The state that has definite volume and definite shape

Question 12

Liquid

Answer 12

Definite volume but not a definite shape

Question 13

Gas

Answer 13

Neither definite volume nor shape

Question 14

Plasma

Answer 14

A high temperature physical state of matter in which atoms lose their electrons

Question 15

Chemical Property

Answer 15

Relates to a substance’s ability to undergo changes that transform it into different substances

Question 16

Chemical Reaction

Answer 16

A change in which one or more substances are converted into different substances

Question 17

Reactants

Answer 17

Substances that react in a chemical change

Question 18

Products

Answer 18

Formed by a chemical change

Question 19

Mixture

Answer 19

A blend of two or more kinds of matter

Question 20

Homogeneous

Answer 20

Uniform in composition

Question 21

Solutions

Answer 21

Homogeneous mixtures

Question 22

Heterogeneous

Answer 22

Not uniform throughout

Question 23

Pure Substance

Answer 23

A fixed composition that differs from a mixture

Question 24

Families

Answer 24

The vertical column on the periodic table

Question 25

Periods

Answer 25

The horizontal rows of elements on the periodic table

Question 26

Metal

Answer 26

An element that is a good conductor of heat and electricity

Question 27

Nonmetal

Answer 27

An element that is a poor conductor of heat and electricity

Question 28

Metalloid

Answer 28

An element that has some characteristics of metals and some of nonmetals