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Mid-Term Exam Review

Total questions: 92

Worksheet time: 51mins

Name
Class
Date
1.
Boyles' Law has what type of relationship to pressure and volume?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
2.
Charles' Law has what type of relationship to temperature and volume?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
3.
In Boyles' Law, when pressure increases, volume will...
a)
stay the same
b)
increase
c)
decrease
d)
I don't know
4.
In Charles' Law, when temperature increases, volume will...
a)
stay the same
b)
increase
c)
decrease
d)
I don't know
5.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
6.
The opposite of condensation is __? 
a)
evaporation
b)
sublimation
c)
melting
d)
freezing
7.
The following are considered to be pure substances.
a)
mixtures 
b)
compounds & elements
c)
green eggs and ham
8.

Iron is a ....

a)

compound

b)

element

c)

mixture

d)

alloy

9.

A sugar water is a .....

a)

compound

b)

element

c)

solution

d)

metalloid

10.

Baking powder is a .....

a)

compound

b)

element

c)

mixture

d)

nonmetal

11.

True/False: Compounds keep their original elements' properties when formed.

a)

True

b)

False

12.

True/False: Mixtures keep their original parts' properties when mixed.

a)

true

b)

false

13.

My balloon increased in size when I went from an air conditioned store to the hot outside. Which gas law best explains this phenomena?

a)

Charles' Law

b)

Boyle's Law

c)

Nichols' Law

14.

When you go from the left to the right on the periodic table of elements, all of these items increase in value except which one?

a)

atomic number

b)

atomic mass

c)

protons

d)

neutrons

e)

symbol

15.

True/False: The number of protons is what identifies an element.

a)

True

b)

False

16.

True/False: In a neutrally charged atom, the number of protons and neutrons are the same.

a)

True

b)

False

17.

This element has now many electrons?

a)

2

b)

8

c)

11

d)

1

18.

This element has now many protons? It is neutrally charged.

a)

2

b)

8

c)

11

d)

1

19.

This element has now many valence electrons?

a)

2

b)

8

c)

11

d)

1

20.

True/False: Elements in the same group have similar physical and chemical properties.

a)

True

b)

False

21.

True/False: Elements in the same row have similar physical and chemical properties.

a)

True

b)

False

22.

What is another name for rows in the periodic table?

a)

periods

b)

groups

c)

families

23.

How many protons does gold have?

a)

79

b)

196.967

c)

118

d)

276

24.

How many electrons does gold have in a neutrally charged atom?

a)

79

b)

196.967

c)

118

d)

276

25.

How many neutrons does gold have?

a)

79

b)

196.967

c)

118

d)

276

26.

What is the atomic number for gold?

a)

79

b)

196.967

c)

118

d)

276

27.

What is the atomic mass for gold?

a)

79

b)

196.967

c)

118

d)

276

28.

My hand got burned from touching the hot iron skillet. What method of heat transfer is this?

a)

conduction

b)

convection

c)

radiation

d)

sublimation

29.

A cold front is moving into the Kennesaw area. What method of heat transfer is this?

a)

conduction

b)

convection

c)

radiation

d)

sublimation

30.

Patty got a sunburn from being outside without wearing sun protection. What type of heat transfer caused this?

a)

conduction

b)

convection

c)

radiation

d)

sublimation

31.

How many atoms are in this compound?

a)

6

b)

12

c)

18

d)

24

32.

How many atoms of carbon are in this compound?

a)

6

b)

12

c)

18

d)

24

33.

How many atoms of hydrogen are in this compound?

a)

6

b)

12

c)

18

d)

24

34.

How many atoms of oxygen are in this compound?

a)

6

b)

12

c)

18

d)

24

35.

NaCl = Sodium Chloride

How many atoms of sodium are in this compound?

a)

1

b)

2

c)

3

d)

4

36.

NaCl = Sodium Chloride

How many atoms of chlorine are in this compound?

a)

1

b)

2

c)

3

d)

4

37.

In the chemical equation, A is know as what?

a)

subscript

b)

products

c)

reactants

d)

coefficient

e)

yield sign

38.

In the chemical equation, C is know as what?

a)

subscript

b)

products

c)

reactants

d)

coefficient

e)

yield sign

39.

In the chemical equation, D is know as what?

a)

subscript

b)

products

c)

reactants

d)

coefficient

e)

yield sign

40.

In the chemical equation, F is know as what?

a)

subscript

b)

products

c)

reactants

d)

coefficient

e)

yield sign

41.

What coefficients would you need to put in front of each compound/element to balance this chemical equation for photosynthesis?

a)

1, 1, 1, 1

b)

6, 6, 2, 6

c)

6, 6, 1, 6

d)

2, 2, 2, 2

42.

Acid, Base, or Neutral? A pH of 8.

a)

acid

b)

base

c)

neutral

43.

Acid, Base, or Neutral? A pH of 10.

a)

acid

b)

base

c)

neutral

44.

Acid, Base, or Neutral? A pH of 1.

a)

acid

b)

base

c)

neutral

45.

Acid, Base, or Neutral? A pH of 6.

a)

acid

b)

base

c)

neutral

46.

Acid, Base, or Neutral? A pH of 7.

a)

acid

b)

base

c)

neutral

47.

Erin mixed vinegar and baking soda. The result ended in a chemical reaction where a water and a salt were the products. What is this called?

a)

a fun experiment

b)

a neutralization reaction

c)

a solution

d)

reactants

48.

Describe the heat transfer of your hot chocolate getting cold.

a)

Heat moved from the hot chocolate to the surrounding air and mug. The hot chocolate warmed up and the the surrounding air cooled off.

b)

Heat moved from the surrounding air to the hot chocolate and mug. The hot chocolate cooled off and the the surrounding air warmed up.

c)

Heat moved from the hot chocolate to the surrounding air and mug. The hot chocolate cooled off and the the surrounding air warmed up.

49.

A 10 gram substance with a specific heat capacity of 200 j/g degrees C increases temperature from 20 to 40 degrees C. How much heat energy did it gain?

a)

40,000 Joules

b)

1 Joules

c)

0.01 Joules

d)

4000 Joules

50.

What do you call heat transfer when heat is exiting during the process?

a)

endothermic

b)

exothermic

c)

conduction

d)

convection

51.

What do you call heat transfer when heat is entering during the process?

a)

endothermic

b)

exothermic

c)

conduction

d)

convection

52.

Sue put a paper hat on her head. She said it would protect her from gamma rays. Is this accurate?

a)

Yes

b)

No

53.

Lauren build an underground bunker under her house that is 100 feet below the ground. It has 100 feet of concrete between the bunker and the surface. Will this protect her from gamma rays?

a)

yes

b)

no

54.

Ryan made an aluminum foil hat that was 4 mm in thickness. He says this will protect his head from beta particles. Is this accurate?

a)

Yes

b)

No

55.

In nuclear reactions, some of the mass of the products are destroyed. Is this true or false?

a)

True

b)

False

56.

The original sample of a radioactive substance has what percent of that substance?

a)

12.5%

b)

25%

c)

50%

d)

100%

57.

After 2 half lives have occurred from the original sample of a radioactive substance, what percent of that substance if left?

a)

12.5%

b)

25%

c)

50%

d)

100%

58.

The law of conservation of energy states that...

a)

energy is neither lost or gained, it is transferred into another form of energy.

b)

energy is lost, it is transferred into another form of energy.

c)

energy is lost and gained, it is transferred into another form of energy.

d)

energy is neither lost or gained, it is lost forever.

59.

Which is not a form of potential energy?

a)

nuclear

b)

chemical

c)

heat

d)

elastic

60.
Water exists as a _____________ at 3 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
61.
Water exists as a _____________ at 700 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
62.
The pressure is increased on a sample of water at 0 °C from 0 mmHg to 800 mmHg.  In order, what changes occur?
a)
deposition, melting
b)
sublimation, melting
c)
condensation, freezing
d)
deposition, freezing
63.

Are the particles moving faster or slower as time goes on?

a)

Faster

b)

Slower

64.

What is happening to the particles in the substance between points D and E?

a)

Melting

b)

Freezing

c)

Vaporizing

d)

Sublimating

65.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

66.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
67.

Nitrogen, N, will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

68.
Write the correct chemical formula for Ag +  and  Br -
a)
AgBr
b)
silver bromide
c)
Ag2Br2
d)
gold bromide
69.
Write the correct formula for an ionic compound formed from S2- and Rb1+.
a)
SRb2
b)
SRb
c)
Rb2S
d)
RbS2
70.

What will be the charge of a bromine ion?

a)

+7

b)

-7

c)

-1

d)

+1

71.
What molecule is this?
a)
CO
b)
CO2
c)
C2O
d)
C2O2
72.
In chemical compounds, covalent bonds form when
a)
the electronegativity difference between two atoms is very large.
b)
electrons are completely transferred between two metals.
c)
pairs of electrons are shared between two nonmetal atoms.
d)
two nonmetal atoms are attracted to each other by opposite charges.
73.
Which of the following is an example of an IONIC COMPOUND?
a)
NaCl
b)
H2O
c)
CO2
d)
NO
74.
Which of the following is an example of a COVALENT COMPOUND?
a)
H2S
b)
KI
c)
CaCl2
d)
MgO
75.
Name this compound: LiO
a)
lithium oxide
b)
oxygen monolithium
c)
monolithium dioxide
d)
dilithium dioxide
76.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Na + __H2O --> __NaOH + __H2
a)
2,2 --> 2,1
b)
4,4 --> 4,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
77.

A solution with high amount of solute

a)

concentrated

b)

saturated

c)

unsaturated

d)

diluted

78.

Water and salt are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?

a)

sugar

b)

water

c)

coffee

d)

salt

79.

Weak tea is an example of a _______.

a)

suspension

b)

solvent

c)

concentrated solution

d)

dilute solution

80.

When you add so much solute that no more dissolves, you have ...

a)

neutralization

b)

unsaturated solution

c)

saturated solution

d)

suspension

81.

In the picture beside, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve in water?

a)

stir the powder in the liquid

b)

freeze the mixture

c)

add more powder to liquid

d)

store the mixture

82.

In which beaker does salt dissolves faster?

a)

ice water

b)

room temperature

c)

hot water

83.

What is a solvent?

a)

the substance that is being dissolved in a solution

b)

the mixing of different substances

c)

the substance that does the dissolving in a solution

84.

What is a solute?

a)

the substance that is dissolved into the solution

b)

the substance that does the dissolving in a solution

c)

the mixing of different substances

85.

The most soluble substance at 40 degrees Celcius is

a)

KNO3KNO_3  

b)

NaClNaCl  

c)

Pb(NO3)2Pb\left(NO_3\right)_2  

d)

KClKCl  

86.

How much KCl will dissolve at 80 degrees Celcius?

a)

52 g

b)

50 g

c)

40 g

d)

60 g

87.

At what temperature will NaCl dissolve 40 g?

a)

80°C80\degree C  

b)

90°C90\degree C  

c)

95°C95\degree C  

d)

85°C85\degree C  

88.

What substance will dissolve 75 g at 40°C40\degree C  ?

a)

KNO3KNO_3  

b)

CaCl2CaCl_2  

c)

Pb(NO3)2Pb\left(NO_3\right)_2  

d)

NaNO3NaNO_3  

89.

compound ---> element + element

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

90.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

91.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

92.

What is the general reaction scheme for a decomposition reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

CxHy+O2 −> CO2+H2OC_xH_y+O_2\ ->\ CO_2+H_2O

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