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PS Final Exam Review

Total questions: 67

Worksheet time: 59mins

Name
Class
Date
1.
NO2 →N2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
2.
Ca + AlCl3→ CaCl2 + Al
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
3.
Si + S8 →Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
4.

What does the Law of Conservation of Mass state?

a)

Matter is created and destroyed in a chemical reaction.

b)

Matter is neither created nor destroyed, just transferred.

c)

Matter is only destroyed in a chemical reaction.

d)

Matter can be transformed into energy.

5.

What are the coefficients that would properly balance this equation?

__Al + __O2--> __Al2O3

a)

4,1 --> 2

b)

4,3 --> 4

c)

3,4 --> 1

d)

4,3 --> 2

6.
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
a)
yes
b)
no
7.

Elements in the same group or column have the same ...

a)

# of valence electrons

b)

# of shells

c)

# of protons

d)

Mass Number

8.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

9.

Cations are metals that form ____________ ions by __________ electrons.

a)

negative, losing

b)

negative, gaining

c)

positive, gaining

d)

positive, losing

10.

Anions are nonmetals that form ____________ ions by __________ electrons.

a)

negative, losing

b)

negative, gaining

c)

positive, gaining

d)

positive, losing

11.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
12.

Which is the correct name for CaBr2?

a)

Calcium Dibromide

b)

Calcium bromate

c)

Calcium Bromide

13.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
14.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
15.

Which type of reaction does the diagram illustrate?

a)

Fission

b)

Fusion

c)

Alpha Decay

d)

Beta Decay

16.

________ is the combining (joining) of two small nuclei to create a large nucleus.

a)

Nuclear Fission

b)

Nuclear Fusion

17.
Argon (Ar)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
18.

The is family has properties of both metals and nonmetals.

a)

Alkali

b)

Halogens

c)

Nonmetals

d)

Metalloids

19.

Sulfur is a...

a)

metal

b)

nonmetal

c)

metalloid

20.
Which is an alkaline earth metal?
a)
Calcium
b)
Rubidium
c)
Carbon
d)
Iodine
21.
What is the chemical symbol for the element Iron
a)
I
b)
Ir
c)
Fe
d)
fe
22.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
23.
Which of these is covalent?
a)
NaCl
b)
Pb(NO3)2
c)
CO2
d)
AlCl3
24.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
25.
An ionic bond happens between what kinds of elements?
a)
metals and metals
b)
metals and nonmetals
c)
nonmetals and nonmetals
26.

If you have 12 kg of Polonium and it decays to 3 kg of polonium, how many half lives have passed?

a)

4

b)

1

c)

2

d)

3

27.

The half-life of Zn-71 is 2 minutes. If you had 100 g at the beginning, how many grams would be left after 6 minutes has elapsed?

a)

100 g

b)

50 g

c)
12.5g
d)

25 g

28.

How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?

a)

83 grams

b)

75 grams

c)

40 grams

d)

12 grams

29.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

30.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
31.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
32.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
33.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
34.
Hot air rising and cool air sinking is an example of
a)
Evaporation
b)
Radiation
c)
Convection
d)
Conduction
35.
Billy bumped his head and immediately put an ice pack on his head.  Which heat transfer method is making the ice pack warmer?
a)
Conduction
b)
Convection
c)
Radiation
d)
Insulation
36.

When the temperature of a gas decreases, the volume will

a)

increase

b)

decrease

37.

If a gas is at constant volume, what will happen to the pressure when the temperature increases?

a)

Increases

b)

Decreases

38.

When the volume increases what will happen to the pressure

a)

Increases

b)

Decreases

39.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
40.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
41.

Which of the following is NOT an ionic compound:

a)

NaCl

b)

Cl2

c)

CaF2

d)

KOH

42.

Lemon juice is an example of  -

a)

a base

b)

an acid

c)

a neutral substance

43.
On the pH scale higher numbers indicate
a)
acids
b)
bases
44.

Is this equation balanced?

a)

Yes

b)

No

45.

_____ waves have vibrations that run parallel to the direction the wave travels, and _____ waves have vibrations that run perpendicular to the direction the wave travels.

a)

transverse, longitudinal

b)

longitudinal, transverse

46.

_______ is the distance between waves, measured from one crest to the next crest.

a)

Wavelength

b)

Frequency

c)

Amplitude

47.

The _______ of a wave is how many waves pass a given point every second.

a)

Frequency

b)

Wavelength

c)

Amplitude

48.

Examples of ________ waves include visible light, xrays, ultraviolet, and radio waves.

a)

transverse

b)

longitudinal

49.

In this diagram of a transverse wave, A is showing the wave's _____ and B is showing the wave's _____.

a)

amplitude, trough

b)

amplitude, crest

c)

wavelength, trough

d)

wavelength, crest

50.

In this diagram of a transverse wave, C is showing the wave's _____ and D is showing the wave's _____.

a)

crest, amplitude

b)

trough, amplitude

c)

crest, wavelength

d)

trough, wavelength

51.

Voltage is

a)

the potential electrical energy or push that makes electrons flow

b)

causes a short circuit with electrical energy

c)

is the term used for rate of charge flow

d)

Wastes energy by allowing current to flow

52.

A parallel circuit has ________ pathway(s) and a series circuit has ____________ pathway(s)

a)

multiple, a single

b)

a single, multiple

c)

multiple, multiple

d)

a single, a single

53.

A north pole of a magnet is attracted to a ...

a)

South pole of a magnet

b)

North pole of a magnet

54.

You can increase the strength of an electromagnet are increasing the current, adding iron to the core, and .....

a)

increasing the number of coils on the magnet

b)

Decreasing the number of coils on the magnet

c)

Dividing the number of coil

55.

A generator converts.....

a)

Mechanical Energy to Chemical Energy

b)

Mechanical Energy to Nuclear Energy

c)

Electrical Energy to Sound Energy

d)

Mechanical Energy to Electrical Energy

56.

What do you call a push or pull on an object?

a)

Chemical

b)

Force

c)

Magnet

57.

Which force holds us to earth's surface?

a)

Friction

b)

Mass

c)

Gravity

58.

What force keeps the moon in orbit around the Earth?

a)

weight

b)

mass

c)

gravity

59.

What will happen if you try to put the south pole of one magnet and the south pole of another magnet together?

a)

The magnets will attract or move together

b)

The magnets will repel or move away.

c)

The magnets will not attract or repel

60.

Objects in motion tend to stay in motion, objects at rest tend to stay at rest, unless acted upon by a force.

a)

gravity

b)

friction

c)

inertia

61.

States that force equals mass x acceleration

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

62.

The swing of a hammer drives a nail partially into a piece of lumber until it comes to a rest. The lumber exerts an opposite force of resistance.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

63.

Force equals...

a)

mass x volume

b)

mass x accelleration

c)

change in direction

d)

velocity x mass

64.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
65.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
66.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
67.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force

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