Chapter 1

Question 1

Chemistry

Answer 1

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

Question 2

Organic Chem

Answer 2

Study of most carbon-containing compounds

Question 3

Inorganic Chem

Answer 3

Study of all substances not classified as organic; not containing carbon

Question 4

Physical Chem

Answer 4

Study of the properties and changes of matter and their relation to energy

Question 5

Analytical Chem

Answer 5

Identification of components and composition of materials

Question 6

Biochemistry

Answer 6

Study of substances ad processes occurring in living things

Question 7

Theoretical Chem

Answer 7

use of mathematics and computers to understand the principles behind observed chemical behavior and to design/predict properties of new compounds

Question 8

Chemical

Answer 8

Any substance that has a definite composition

Question 9

Volume

Answer 9

Amount of three-dimensional space an object occupies

Question 10

Mass

Answer 10

Measure of amount of matter

Question 11

Matter

Answer 11

Anything that has mass and takes up space

Question 12

Atom

Answer 12

Smallest unit of an element that maintains the property of an element

Question 13

Element

Answer 13

Pure substance that is made of only one kind of atom

Question 14

Compound

Answer 14

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

Question 15

Extensive properties

Answer 15

Depend on amount of matter that is present

Question 16

Intensive Properties

Answer 16

Do not depend on amount of matter present

Question 17

Physical Property

Answer 17

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

Question 18

Physical Change

Answer 18

Does not involve change in identity of the substance

Question 19

Change of State

Answer 19

Physical change of substance from one state to another (solid, liquid, gas)

Question 20

Solid

Answer 20

Definite volume and shape

Question 21

Liquid

Answer 21

Definite volume but indefinite shape

Question 22

Gas

Answer 22

Neither definite volume nor definite shape

Question 23

Plasma

Answer 23

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

Question 24

Chemical property

Answer 24

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

Question 25

Chemical Change/Reaction

Answer 25

Change in which one or more substances are converted into different substances; substances that react are called reactants and substances formed are called products

Question 26

Mixture

Answer 26

Blend of two or more kinds of matter; each of which retains its own identity and properties

Question 27

Homogenous

Answer 27

Uniform in composition

Question 28

Solutions

Answer 28

AKA homogenous mixture

Question 29

Heterogenous Mixture

Answer 29

Not uniform throughout

Question 30

Pure substance

Answer 30

Fixed composition and differs from a mixture in that every sample has same characteristics, every sample has same composition

Question 31

Vertical column of periodic table

Answer 31

Groups or families

Question 32

Horizontal rows of elements

Answer 32

Periods

Question 33

Metal

Answer 33

An element that is a good conductor of heat and electricity

Question 34

Nonmetals

Answer 34

An element that is a poor conductor of heat and electricity

Question 35

Metalloid

Answer 35

Element that has some characteristics of metals and some characteristics of nonmetals

Question 36

Noble Gases

Answer 36

Group 18; unreactive