Chapter 1 Vocab

Question 0

Chemistry

Answer 0

The study of the comparison, structure, and properties of matter and the changes it undergoes

Question 1

Chemical

Answer 1

Any substance that has a definite composition

Question 2

Atom

Answer 2

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

Question 3

Change of state

Answer 3

A physical change of a substance from one state to another

Question 4

Chemical change

Answer 4

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

Question 5

Chemical property

Answer 5

A substance’s ability to undergo changes that transform t into different substances

Question 6

Chemical reaction

Answer 6

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

Question 7

Compound

Answer 7

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

Question 8

Element

Answer 8

A pure substance made of only one kind of atom

Question 9

Extensive property

Answer 9

Depends on the amount of matter that is present

Question 10

Gas

Answer 10

A state if matter that has no definite volume nor definite shape

Question 11

Heterogeneous

Answer 11

Mixture that is not uniform throughout

Question 12

Homogeneous

Answer 12

Mixture that is uniform in composition

Question 13

Intensive property

Answer 13

Do not matter on the amount of matter present

Question 14

Liquid

Answer 14

A state if matter that has a definite volume but an indefinite shape

Question 15

Mass

Answer 15

A measure of the amount of matter

Question 16

Matter

Answer 16

Anything that has mass and takes up space

Question 17

Mixture

Answer 17

A blend of two or more kinds of matter each of which retains its own identity and properties

Question 18

Physical change

Answer 18

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

Question 19

Physical property

Answer 19

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

Question 20

Plasma

Answer 20

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

Question 21

Product

Answer 21

The substance formed by a chemical change

Question 22

Pure substance

Answer 22

Has a fixed composition and differs from a mixture because every sample has the same characteristic properties and every sample has the same composition

Question 23

Reactant

Answer 23

The substance that reacts in a chemical change

Question 24

Solid

Answer 24

A state if matter that has a definite volume and definite shape

Question 25

Solution

Answer 25

Homogeneous mixers r called this

Question 26

Family

Answer 26

Vertical columns on the periodic table

Question 27

Group

Answer 27

Vertical columns on the periodic table

Question 28

Metal

Answer 28

An element that is a good conductor of heat and electricity, malleable, and ductile

Question 29

Metalloid

Answer 29

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

Question 30

Nonmetal

Answer 30

An element that is a poor conductor of beat and electricity

Question 31

Period

Answer 31

The horizontal rows in the periodic table