Chapters 1 thru 4

Question 0

What is matter?

Answer 0

Matter is another word for all the substances that make up our world.

Question 1

What is chemistry?

Answer 1

Chemistry is the study of the composition, structure, properties, and reactions of matter.

Question 2

What are the fields of chemistry’s branches?

Answer 2

Organic, inorganic, and general chemistry

Question 3

What is organic chemistry?

Answer 3

Organic chemistry is the study of substances that contain the element carbon.

Question 4

What is inorganic chemistry?

Answer 4

Inorganic chemistry is the study of all other substances except those that contain carbon.

Question 5

What is general chemistry?

Answer 5

General chemistry is the study of composition, properties, and reactions of matter.

Question 6

What is biochemistry?

Answer 6

Chemistry combined with biology to study the chemical reactions that take place in the biological system.

Question 7

What is a chemical?

Answer 7

A substance that always has the same composition and property wherever it is found.

Question 8

What do scientist throughout the world use to find measurements?

Answer 8

Metric system and international system of units (SI)

Question 9

What do we use metric system and SI units for?

Answer 9

We use it for length, volume, mass, temperature, and time.

Question 10

What is the metric and SI unit for length?

Answer 10

Meter

Question 11

What is the metric and SI unit for volume?

Answer 11

Liter for metric and cubic meter for SI

Question 12

What is the metric and SI unit for mass?

Answer 12

Grams for metric and kilograms for SI

Question 13

What is the metric and SI unit for temperature?

Answer 13

•c for metric and K for SI

Question 14

What is the metric and SI unit for time?

Answer 14

Second (s)

Question 15

What are some relationships for length?

Answer 15

1m=39.4in, 2.54cm=1in, 1m=100cm, 1m=1.09yd

Question 16

What is volume?

Answer 16

Volume is the amount of space a substance occupies.

Question 17

What are some relationships for volume?

Answer 17

1L=1.06qt, 1000mL=1L, 946mL=1qt

Question 18

What is mass of an object?

Answer 18

Mass of an object is a measure of the quantity of material it contains?

Question 19

What are some relationships for mass?

Answer 19

1kg=1000g, 1kg=2.20lb, 454g=1lb

Question 20

What is weight?

Answer 20

Weight is a measure of the gravitational pull on an object.

Question 21

Why do scientist measure mass rather than weight?

Answer 21

This is due to the fact mass does not depend on gravity.

Question 22

What is used to measure mass in grams of a substance?

Answer 22

Analytical balance

Question 23

What does temperature tell us?

Answer 23

It tells us how hot something is, how cold it is outside, or if we have a fever.

Question 24

What is the temperature at which water boils and freezes on the Celsius temperature scale?

Answer 24

Water freezes at 0•c and boils at 100•c.

Question 25

What is the temperature at which Fahrenheit freezes and boils?

Answer 25

Water freezes at 32•f and boils at 212•f.

Question 26

What is the temperature at which Kelvin is the lowest?

Answer 26

0K is lowest point Kelvin can reach.

Question 27

What is Kelvin not written with?

Answer 27

Kelvin is not written with a degree sign. It is just K.

Question 28

How is time measured?

Answer 28

It is measured in (s). Used by an atomic clock.

Question 29

m to y

Answer 29

1m=1.09y

Question 30

m to cm

Answer 30

1m=100cm

Question 31

m to in

Answer 31

1m=39.4in

Question 32

L to m^3

Answer 32

1L=1m^3

Question 33

L to mL

Answer 33

1L=1000mL

Question 34

qt to L

Answer 34

1qt=0.946L

Question 35

qt to mL

Answer 35

1qt=946mL

Question 36

kg to g

Answer 36

1kg=1000g

Question 37

lb to g

Answer 37

1lb=454g

Question 38

lb to kg

Answer 38

1lb=0.454kg

Question 39

What temperature does water boil and freeze at?

Answer 39

0•c it freezes and 100•c it boils

Question 40

What is the absolute zero in the universe?

Answer 40

0•k

Question 41

min to sec

Answer 41

1min=60sec

Question 42

hr to min

Answer 42

1hr=60min

Question 43

Kilo equals?

Answer 43

10^3 or 1000

Question 44

Mega equals?

Answer 44

10^6 or 1,000,000

Question 45

giga equals?

Answer 45

10^9 or 1,000,000,000

Question 46

Tera equals?

Answer 46

10^12 or 1,000,000,000,000

Question 47

Deci equal?

Answer 47

10^-1 or 0.1

Question 48

Centi equals?

Answer 48

10^-2 or 0.01

Question 49

Milli equals?

Answer 49

10^-3 or 0.001

Question 50

Micro equals?

Answer 50

10^-6 or 0.0000001

Question 51

Nano equals?

Answer 51

10^-9 or 0.0000000001

Question 52

Pico equals?

Answer 52

10^-12 or 0.0000000000001

Question 53

Femto equals?

Answer 53

10^-15 or 0.0000000000000001

Question 54

mL to cm^3

Answer 54

1mL=1cm^3

Question 55

m to cm

Answer 55

1m=100cm

Question 56

ft to in

Answer 56

1ft=12in

Question 57

yd to ft

Answer 57

1yd=3ft

Question 58

m to ft

Answer 58

1m=5280ft

Question 59

Km to mi

Answer 59

1Km=0.621mi

Question 60

in to cm

Answer 60

1in=2.54cm

Question 61

cm to in

Answer 61

1cm=0.394in

Question 62

mi to Km

Answer 62

1mi=1.61Km

Question 63

qt to cups

Answer 63

1qt=4cups

Question 64

qt to pt

Answer 64

1qt=2pt

Question 65

gal to qt

Answer 65

1gal=4qt

Question 66

fl oz to mL

Answer 66

1 fl oz=30mL

Question 67

L to qt

Answer 67

1L=1.069qt

Question 68

lb to oz

Answer 68

1lb=16oz

Question 69

Kg to lb

Answer 69

1Kg=2.2lb

Question 70

What is the formula for density?

Answer 70

Density=mass/volume

Question 71

How do you calculate volume of irregularly shaped objects?

Answer 71

V(final)-V(initial)=V(object)

Question 72

How do you calculate specific gravity?

Answer 72

Specific gravity=density of interest/density of water

Question 73

J to cal

Answer 73

4.184J=1cal

Question 74

•c to •f

Answer 74

•f=1.8(•c)+32

Question 75

•c to K

Answer 75

K=•c+273

Question 76

How do you calculate specific heat?

Answer 76

Specific heat=heat energy/mass x temp change

Question 77

How do you calculate heat energy?

Answer 77

Heat energy=specific heat x mass x temp change

Question 78

What is the specific heat for water in cal?

Answer 78

1.00cal/g x •c

Question 79

Kcal to cal

Answer 79

1kcal=1000cal

Question 80

What is the dalton weight for protons and neutron?

Answer 80

1.66x10^-24g=1Da

Question 81

What is the dalton weight for electrons?

Answer 81

0.0005Da

Question 82

What is the atomic number equal to?

Answer 82

The proton number

Question 83

What is the mass number?

Answer 83

The sum of the neutrons and protons.

Question 84

What is given when subtracting the mass number and the atomic number?

Answer 84

The number of neutrons

Question 85

What is an isotope?

Answer 85

Same elements with different masses which contain different numbers of neutrons.

Question 86

What is the group number equivalent to?

Answer 86

The valence electrons

Question 87

What is the Lewis structure?

Answer 87

Electron dot symbols that place valence electrons.

Question 88

Ions always have what?

Answer 88

A charge

Question 89

What is the octet rule?

Answer 89

All elements must have full valence electron levels. 8 electrons. Excluding hydrogen and helium and noble gases

Question 90

What are cations?

Answer 90

Any positive ion

Question 91

What are anions?

Answer 91

Any negative ions

Question 92

Do opposites attract in ionic compounds?

Answer 92

Yes

Question 93

What is the net charge for compounds?

Answer 93

Zero they are neutral.

Question 94

What comes first in an ionic compound?

Answer 94

Name of metal

Question 95

What comes last in an ionic compound?

Answer 95

Nonmetal with suffix ide

Question 96

Which have more Ates ore ites?

Answer 96

Ates

Question 97

What are characteristic of covalent bonds?

Answer 97

Form with shared electrons. Only between two nonmetals. Form new molecules.

Question 98

How many valence electrons do H, B, and Li want?

Answer 98

2,6,2

Question 99

How do you name a covalent bond?

Answer 99

First nonmetal uses name second use suffix ide. Use prefixes to indicate # of atoms

Question 100

Which element has the most electronegativity?

Answer 100

Fluorine (F)

Question 101

What are dipoles?

Answer 101

Small charges due to differences in electronegativity.

Question 102

What symbols do dipoles use?

Answer 102

Delta

Question 103

What are the ranges of electronegativity for nonpolar covalent bonds?

Answer 103

0-0.4

Question 104

What is the difference of electronegativity for polar covalent bonds?

Answer 104

0.5-1.8

Question 105

What is the difference in electronegativity for ionic bonds?

Answer 105

1.8 and up