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3B Review

Total questions: 62

Worksheet time: 5hrs 10mins

Name
Class
Date
1.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
2.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
3.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
4.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
5.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
6.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
7.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
8.
In an electron dot diagram, two pairs of shared electrons represents a ...
a)
single bond
b)
double bond
c)
triple bond
d)
quadruple bond
9.
A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a)
1
1
b)
3
c)
4
d)
6
10.
The chemical bond formed when two atoms share electrons  is called a(an) IONIC bond. 
a)
True
b)
False
11.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
12.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
13.

What is the goal of the Lewis Dot Structure?

a)

To determine the electron position.

b)

To show the element's valence electrons & bonding capabilities.

c)

To find the atomic mass of an element.

d)

To search for the number of electrons in an individual atom.

14.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

15.

How many valence electrons should Lithium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

16.

How many valence electrons should Oxygen have in its Lewis dot model?

a)

5

b)

6

c)

7

d)

8

17.

How many valence electrons should Magnesium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

18.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

19.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

20.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

21.

Which of these is incorrect?

a)
b)
22.
How many valence electrons does chlorine (Cl) have?
a)
2
b)
5
c)
6
d)
7
23.
How many valence electrons does carbon (C) have?
a)
3
b)
4
c)
5
d)
6
24.
Which of these elements has 8 valence electrons?
a)
P
b)
Be
c)
O
d)
Ar
25.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
26.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
27.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
28.

Horizontal (SIDE TO SIDE) rows on the periodic table are

a)

groups

b)

periods

29.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

30.

How many energy levels does Au have? Just give me the number.

(a)  

31.

How many energy levels does He have? Just give me the number.

(a)  

32.

How many energy levels does Rb have? Just give me the number.

(a)  

33.

How many energy levels does Mg have? Just give me the number.

(a)  

34.

How many energy levels does S have? Just give me the number.

(a)  

35.

How many energy levels does Co have? Just give me the number.

(a)  

36.

H and He have the same number of energy levels.

a)

True

b)

False

37.

what period would this element be in?

a)

6

b)

8

c)

3

d)

16

38.

what period would this element be in?

a)

2

b)

3

c)

4

d)

5

39.

what period would this element be in?

a)

2

b)

3

c)

5

d)

7

40.

The reason that Noble Gases do not react is because

a)

Their outer electron shell is filled

b)

Their inner electron shell is filled

c)

They are able to bond to fill their outer shell

d)

None of the above, Noble Gases are highly reactive

41.
Another term for being chemically inactive is...
a)
Inert
b)
Inbert
c)
Insert
d)
Inmert
42.

Large molecules made up of small monomers are called

a)

polymers

b)

peptides

c)

peptones

d)

monomers

43.

What is the name of the reaction used to make polymers?

a)

polymerization

b)

cracking

c)

polygonization

d)

precipitation

44.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

45.

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

46.

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

a)

neutron

b)

proton

c)

electron

d)

electron cloud

47.

What is the center of an atom containing protons and neutrons?

a)

nucleus

b)

neutron

c)

proton

d)

electron cloud

48.

Name the structure shown in the image:

a)

Ethene

b)

Ethane

c)

Ethyne

d)

Ethanamine

49.

How many bonds can C form?

a)

2

b)

3

c)

4

d)

5

50.

What type of molecule is this?

a)

carboxylic acid

b)

alcohol

c)

ester

d)

alkyne

51.

What type of molecule is this?

a)

alkene

b)

alcohol

c)

carboxylic acid

d)

ester

52.

If a molecule is an alkene, its carbons must have

a)

all single bonds

b)

at least one double bond

c)

at least one triple bond

53.

If a molecule is an alkane, its carbons must have

a)

all single bonds

b)

at least one double bond

c)

at least one triple bond

54.

If a molecule is an alkyne, its carbons must have

a)

all single bonds

b)

at least one double bond

c)

at least one triple bond

55.

Which of the following are saturated hydrocarbons?

a)

alkanes

b)

alkenes

c)

alkynes

56.

What is the difference between an aromatic compound and a cycloalkane?

a)

Aromatic compounds have more carbons than cycloalkanes

b)

Aromatic compounds have some double bonds while cycloalkanes have only single

c)

Aromatic compounds smell good while cycloalkanes smell bad

d)

There is no difference

57.

What type of molecule is this?

a)

alkene

b)

ester

c)

carboxylic acid

d)

aromatic

58.

Which is the most reactive?

a)

alkane

b)

alkene

c)

alkyne

59.

Which is the least reactive?

a)

alkane

b)

alkene

c)

alkyne

60.

Dimers (and larger polymers) are formed in addition reactions by

a)

using a lot of glue

b)

forming triple bonds where there were double bonds

c)

breaking double bonds

d)

forming double bonds from single bonds

61.

If a chemist writes R-OH to describe an alcohol, what does the "R" stand for?

a)

alcohol

b)

ester

c)

hydrocarbon

d)

oxygenated hydrocarbon

62.

What does cross-linking polymers do?

a)

makes the polymer more flexible

b)

makes the polymer more rigid

c)

makes the polymer more colorful

d)

makes the polymer more transparent

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