Chemistry Chapter 1 "Atoms: The Building Blocks of Matter"

Question 1

Chemical

Answer 1

Is any substance that has a define composition.

Question 2

Chemistry

Answer 2

Is the study of the composition, structure, and pr9operties of matter and the changes it undergoies.

Question 3

Atom

Answer 3

Is the smallest unit of an element that maintains the properties of that element.

Question 4

Change of State

Answer 4

Is a physical chanage of a substance from one state to another.

Question 5

Chemical Change

Answer 5

A chanage in which one or more substances are converted into different substances.

Question 6

Chemical Property

Answer 6

Relates to a substance’s ability t0 undergo changes that transform it into different substances.

Question 7

Chemical Reaction

Answer 7

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

Question 8

Compound

Answer 8

Is a substance that is made from atoms of two or more elements that are chemically bonded.

Question 9

Element

Answer 9

Is a pure substance made of only one kind of atom.

Question 10

Extensive Property

Answer 10

Depend on the amount of matter that is present.

Question 11

Gas

Answer 11

Matter in the gas state has neither definite volume nor definite shape.

Question 12

Heterogeneous

Answer 12

Mixtures are not uniform throughout.

Question 13

Homogeneous

Answer 13

Uniform in composition

Question 14

Intensive property

Answer 14

Do not depend on the amount of matter present.

Question 15

Liquid

Answer 15

Matter in the liquid state has a definite volumen but an idefinite shape.

Question 16

Mass

Answer 16

Is a measure of the amount of matter

Question 17

Matter

Answer 17

Anything that has mass and takes up space.

Question 18

Mixture

Answer 18

Is a blend of two or more kinds of matter, each of which retains its own identity and properties.

Question 19

Physical Change

Answer 19

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

Question 20

Physical Properties

Answer 20

Is a chanage that can be observed or measured without changin the identity of the substance.

Question 21

Plasma

Answer 21

Is a high-temperature physical state of matter in which atoms lose their electrons.

Question 22

Product

Answer 22

The substance that are formed by the chemical change.

Question 23

Pure Substance

Answer 23

Has a fixed composition and differs from mixture

Question 24

Reactant

Answer 24

The substance that react in a chemical change.

Question 25

Solid

Answer 25

Matter in the solid state has definite volumen and definite shape.

Question 26

Solution

Answer 26

Homogeneous mixtures are called solutions.

Question 27

Family

Answer 27

The vertical columns of the periodic table are called groups or families.

Question 28

Group

Answer 28

The vertical columns of the periodic table are called groups or families.

Question 29

Metal

Answer 29

Is an element that is a good conductor of heat and electricity.

Question 30

Metalloid

Answer 30

Is an element that has some characteristic of metals and some characteristics of no metals.

Question 31

Period

Answer 31

The horizontal rows of elements in the periodic table.

Question 32

Nonmetal

Answer 32

Is an element that is a poor conductor of heat and electricity.