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Chemistry Test Review/Recovery

Total questions: 56

Worksheet time: 2hrs 52mins

Name
Class
Date
1.
Which type of radiation has the greatest penetrating power?
a)
Alpha
b)
Beta
c)
Gamma 
d)
Microwaves
2.
The nuclear process occurring at a nuclear power plant.
a)
Nuclear fusion
b)
Nuclear fission
c)
Combustion
d)
Multiplication
3.
Which nuclear process is shown in the picture?
a)
fission
b)
fusion
c)
alpha decay
d)
beta decay
4.
What happens to the atomic number during alpha decay?
a)
The atomic number decreases by 4
b)
The atomic number increases by 1
c)
The atomic number decreases by 2.
d)
The atomic number stays the same.
5.
Arrange in order of increasing ability to penetrate matter.
a)
Beta, gamma, alpha
b)
Alpha, gamma, beta
c)
Gamma, beta, alpha
d)
Alpha, beta, gamma
6.
What is not true about fission reactions at power plants?
a)
They are exothermic
b)
They produce a lot of energy
c)
They are uncontrolled and fast
d)
They are slow and controlled
7.
During fission, some of the nuclear mass is converted into
a)
energy
b)
heavier nuclei
c)
critical mass
d)
protons
8.
Which of the following is a disadvantage of nuclear energy as a power source?
a)
Nuclear energy produces less energy than the burning coal
b)
Nuclear energy produces air pollution
c)
Nuclear waste must be safely stored
d)
The fuel source is very limited
9.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
10.

In the symbol 167N what the 7 stand for?

a)

Mass number

b)

Atomic number

c)

Atomic mass

d)

Number of neutrons

11.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
12.
If we start off with element 24X50 after an alpha decay we get another element Y that looks like
a)
22Y50
b)
22Y46
c)
20Y48
d)
26Y54
13.
Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.
a)
Fusion
b)
Fission
c)
Tracing
d)
Decay
14.
Which produces more energy--nuclear fission or nuclear fusion?
a)
Fusion
b)
Fission
c)
They produce the same amount
d)
It depends on the elements used
15.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Combustion
16.
What does it mean when an element is radioactive?
a)
atom emits radiation
b)
nucei unstable due to uneven p to n ratio
c)
nuclei changes to become stable
d)
all of the above
17.
The force that holds the protons and neutrons together in the nucleus of an atom is called __________.
a)
Strong force
b)
magnetic force
c)
centripetal force
d)
electrostatic force
18.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
19.
Has the symbol
a)
Alpha
b)
Beta 
c)
Gamma
d)
electron
20.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
d)
proton
21.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
d)
neutron
22.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
Beta
c)
Gamma 
d)
none
23.

In the event of a nuclear explosion where would be the safest place to hide?

a)

Paper house

b)

Log cabin

c)

Thick concrete building in the basement

d)

Building with windows

24.

What type of reaction can be controlled to produce great amounts of energy at the expense of toxic waste?

a)

Fusion

b)

Fission

c)

Fishin

d)

Feasion

25.

At 30'C, which substance has the lowest solubility?

a)

KNO3

b)

KBr

c)

NaCl

d)

Yb2(SO4)3

26.

At which temperature do KBr and KNO3 have the same solubility?

a)

60

b)

55

c)

50

d)

Never

27.

The solubility of Yb2(SO4)3 ________________ with added temperature.

a)

increases

b)

decreases

c)

remains the same

28.

At 80'C, KBr's solubility is:

a)

100

b)

90

c)

80

d)

0

29.

Determine the solubility for the substances at 55'C and arrange them in order from lowest to highest solubility.

a)

NaCl, NH4Cl, KBr, NaNO3

b)

NaCl, NH4Cl, NaNO3, KBr

c)

NH4Cl, NaCl, NaNO3, KBr

d)

NaNO3, KBr, NH4Cl, NaCl

30.

At 10'C, NaNO3's solubility is 80 g/100 g of H2O. Based on this information, what would the solubility be in 50 g of H2O.

a)

40

b)

80

c)

160

d)

16

31.

Identify if the following solution would be saturated, unsaturated, or supersaturated: 103 g KBr at 70'C.

a)

Unsaturated

b)

Saturated

c)

Supersaturated

32.

Identify how many grams of KNO3 is required to make a saturated solution at 40'C.

a)

50 g

b)

45 g

c)

60 g

d)

33 g

33.

How could you change a saturated solution to an unsaturated solution?

a)

Add solvent

b)

Add solute

34.

Water becomes __________ changing from a solid to a liquid

a)

more dense & more kinetically chaged

b)

less dense & less kinetically charged

c)

more dense & less kinetically charged

d)

less dense & more kinetically charged

35.

Identify the saturation associated with the product of this experiment.

a)

Unsaturated

b)

Saturated

c)

Supersaturated

36.

Identify a method to decrease the dissolving rate of a solution:

a)

decrease the temperature

b)

add KE

c)

stir the solution

d)

increase the temperature

37.

Which of the following will conduct electricity? Select all that apply

a)

Acidic solutions

b)

Basic solutions

c)

Ionic solutions

d)

Neutral covalent solutions

38.

Which of the following are properties of acids but not bases? Select all that apply.

a)

Changes the color of an indicator

b)

Sour taste

c)

Reacts with metals to produce hydrogen gas

d)

Feels slippery

39.

Bases have a pH of

a)

7

b)

Less than 7

c)

More than 7

40.

Neutralization is the process of an acid and a base reacting to form what? Select all that apply

a)

An ionic salt

b)

Hydronium ions

c)

NaCl

d)

Water

41.

Which of the following is a binary acid?

a)

H2SO4

b)

HNO3

c)

H2Se

d)

HC2H3O2

42.

An oxyacid is made up of hydrogen, _________, and a third element

a)

nitrogen

b)

oxygen

c)

carbon

d)

hydroxide

43.

What is the formula for nitrous acid?

a)

HNO2

b)

H3N

c)

HNO3

d)

HNO

44.

What is the formula for hydrosulfuric acid

a)

H2S

b)

H2SO2

c)

H2SO3

d)

H2SO4

45.

Which of the following are strong acids? Select all that apply

a)

HI

b)

H2SO4

c)

HF

d)

HCl

e)

HClO3

46.

Which of the following is NOT a strong base?

a)

NaOH

b)

RbOH

c)

Al(OH)3

d)

Ca(OH)2

47.

An arrhenius acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

48.

An arrhenius base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

49.

A bronsted lowry base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

50.

A bronsted lowry acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

51.

Water can act as both an acid and a base according to the bronsted lowry model. This means water is

a)

neutral

b)

conjugate

c)

ionic

d)

amphoteric

52.

Identify the true statement about the following reaction:

F- + H2O --> HF +OH-

a)

H2O is a bronsted lowry base

b)

H2O is not an acid or base according to either model

c)

H2O is a bronsted lowry acid

d)

H2O is an arrhenius acid

53.

Choose the correct statements about HI based on the following reaction (select all that apply):

HI + H2O --> I- + H3O+

a)

HI is an arrhenius acid

b)

HI is an arrhenius base

c)

HI is a bronsted lowry acid

d)

HI is a bronsted lowry base

54.

Acid-base conjugate pairs differ by a single

a)

Electron

b)

Proton

c)

Neutron

d)

Oxygen

55.

Which of the following show an acid and its conjugate base pair (in that order)

a)

H2SO4, SO42-

b)

OH-, H2O

c)

NH4+, H2O

d)

H2CO3, HCO3-

56.

Could C2H3O2- act as a base when placed in water?

a)

Yes, because it can accept a H+

b)

Yes, because it can donate a H+

c)

No, because it cannot donate a H+

d)

No, because it cannot accept a H+