Exam 1

Question 0

Three physical states of matter:

Answer 0

Solid, Liquid, Gas

Question 1

Matter

Answer 1

Anything that has mass and takes up space.

Question 2

Particles of matter very close and touching.
Not free to move.
Definite volume and shape.
Not compressible.

Answer 2

Solid

Question 3

Particles of matter close and may be touching.
Particles can move past one another.
Definite volume but no definite shape.
Not compressible.

Answer 3

Liquid

Question 4

Particles of matter are far apart and not touching.
Particles can move past one another.
No definite volume or shape.
Compressible.

Answer 4

Gas

Question 5

Properties observed without the chemical makeup being changed.

Answer 5

Physical properties.

Question 6

Describes a chemical change that a substance undergoes.

Answer 6

Chemical properties.

Question 7

Example of physical properties:

Answer 7

Boiling point, melting point, color, conductivity, specific heat.

Question 8

Examples of chemical properties:

Answer 8

Heat of combustion, reactivity, pH, flammability.

Question 9

Rearranges molecules but doesn’t affect their internal structures.

Answer 9

Physical change.

Question 10

Any change that results in the formation of new chemical substances.

Answer 10

Chemical change.

Question 11

Dependent of sample size. (Density and color)

Answer 11

Intensive properties.

Question 12

Depend on the amount of material examined. (Mass and volume)

Answer 12

Extensive properties.

Question 13

What kind of properties are always used to identify substances?

Answer 13

Intensive

Question 14

Composed of two or more elements and has constant composition.

Answer 14

Compounds

Question 15

Substances that can’t be decomposed into simpler materials. (Simplest form of matter)

Answer 15

Elements

Question 16

Has the same properties throughout.

Answer 16

Homogeneous mixtures.

Question 17

Has different properties throughout and 2 or more phases.

Answer 17

Heterogenous mixtures.

Question 18

How many elements occur naturally?

Answer 18

90

Question 19

Consists of various amounts of two or more elements or compounds.

Answer 19

Mixtures

Question 20

Number with a value that is exactly known with no error or uncertainty in the value.

Answer 20

Exact numbers.

Question 21

Number with a value that is not exactly known due to the measuring process.

Answer 21

Measured numbers.

Question 22

Millions of

Answer 22

Mega

Question 23

Thousands of

Answer 23

Kilo

Question 24

Tenths of

Answer 24

Devi

Question 25

Hundredths of

Answer 25

Centi

Question 26

Thousandths of

Answer 26

Milli

Question 27

Millionths of

Answer 27

Micro

Question 28

Billionths of

Answer 28

Nano

Question 29

Trillionth of

Answer 29

Pico

Question 30

Celsius to Fahrenhiet:

Answer 30

F=(9/5)C+32

Question 31

Fahrenheit to Celsius

Answer 31

C=(5/9)(F-32)

Question 32

Celsius to Kelvin

Answer 32

K=C+273.15

Question 33

What is the Law of Conservation of Mass?

Answer 33

During a chemical reaction mass is conserved.

Question 34

What is the Law of Definite Proportions?

Answer 34

In a given compound the elements are always combined in the same ratio by mass.

Question 35

Matter consists of tiny particles called atoms. Atoms are indestructible. Atoms of the same element are identical in mass. Atoms of different elements differ in mass and and other properties.

Answer 35

Dalton's Atomic Theory of Matter

Question 36

When two elements can form more than one compound, the mass ratios of the elements in the two compounds occur in small whole number ratios.

Answer 36

Law of Multiple Proportions

Question 37

Who's subatomic particle experiment used Cathode Ray Tubes?

Answer 37

JJ Thomson

Question 38

Who's experiment used Oil Droplets?

Answer 38

R Milliken

Question 39

Who's experiment used Alpha Particles?

Answer 39

Rutherford

Question 40

What are the subatomic particles?

Answer 40

Protons, Neutrons, and Electrons

Question 41

Where are protons & neutrons located?

Answer 41

The nucleus.

Question 42

Where are electrons located?

Answer 42

Outside of the nucleus.

Question 43

Atoms of the same element but with different mass.

Answer 43

Isotopes

Question 44

Groups

Answer 44

Elements that lie within the same column.

Question 45

Periods

Answer 45

Elements that lie within the same row.

Question 46

Energy an object has when it's moving.

Answer 46

Kinetic energy

Question 47

Energy an object has due to it's position.

Answer 47

Potential energy

Question 48

Energy cannot be created or destroyed; it can only be converted from one to another.

Answer 48

The Law of Conservation of Energy

Question 49

Positively charged ions.

Answer 49

Cations

Question 50

Negatively charged ions:

Answer 50

Anions

Question 51

Ions consisting of two or more elements:

Answer 51

Polyatomic ions

Question 52

Ions consisting of one atom:

Answer 52

Monatomic ions

Question 53

NH4+

Answer 53

Ammonium

Question 54

SO42-

Answer 54

Sulfate

Question 55

SO32-

Answer 55

Sulfite

Question 56

NO3-

Answer 56

Nitrate

Question 57

NO2-

Answer 57

Nitrite

Question 58

HCO3-

Answer 58

Bicarbonate (hydrogen carbonate)

Question 59

HSO4-

Answer 59

Bisulfate (hydrogen sulfate)

Question 60

HSO3-

Answer 60

Bisulfite (hydrogen sulfite)

Question 61

H3O+

Answer 61

Hydronium

Question 62

CN-

Answer 62

Cyanide

Question 63

CrO42-

Answer 63

Chromate

Question 64

Cr2O72-

Answer 64

Dichromate

Question 65

CO32-

Answer 65

Carbonate

Question 66

C2H3O2-

Answer 66

Acetate

Question 67

OH-

Answer 67

Hydroxide

Question 68

PO43-

Answer 68

Phosphate

Question 69

PO33-

Answer 69

Phosphite

Question 70

ClO-

Answer 70

Hypochlorite

Question 71

ClO2-

Answer 71

Chlorite

Question 72

ClO3-

Answer 72

Chlorate

Question 73

ClO4-

Answer 73

Perchlorate

Question 74

MnO4-

Answer 74

Permanganate

Question 75

C2O42-

Answer 75

Oxalate

Question 76

Compound based on sharing of electrons between atoms known as a covalent bond.

Answer 76

Molecular compound

Question 77

Compound based on electrostatic attraction between positive and negative ions.

Answer 77

Ionic bond

Question 78

Group 1

Answer 78

Alkali metals (except h)

Question 79

Group 2

Answer 79

Alkaline earth metals

Question 80

Group 17

Answer 80

Halogens

Question 81

Group 18

Answer 81

Noble gases

Question 82

Mega

Answer 82

M

Question 83

Kilo

Answer 83

k

Question 84

Deci

Answer 84

d

Question 85

Centi

Answer 85

c

Question 86

Milli

Answer 86

m

Question 87

Nano

Answer 87

n

Question 88

Pico

Answer 88

p