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Covalent bonding

Total questions: 23

Worksheet time: 34mins

Name
Class
Date
1.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
2.
What can be generalized about covalent bonds?
a)
Electrons will be exchanged.
b)
Electrons will be transferred.
c)
Electrons will be given and taken.
d)
Electrons will be shared.
3.
What is it called if there are three-pairs of electrons being shared?
a)
Triple bond
b)
Bond length
c)
Tribond
d)
Chocolate Mousse
4.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
5.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
6.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
7.

What bond is formed between a metal and a nonmetal?

a)

Covalent bond

b)

Ionic bond

c)

Hydrogen bond

d)

Metallic bond

8.
Most covalent compounds are do not exist in which state?
a)
solid
b)
liquid
c)
gas
9.
The number of bonds an element will form in a covalent compound will be equal to
a)
the number of valence electrons
b)
eight electrons
c)
the number of electrons needed to reach an octet
d)
the group number
10.
What type of bond forms when 2 or more electrons are SHARED?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
11.
Which of the following is an example of a COVALENT COMPOUND?
a)
H2S
b)
KI
c)
CaCl2
d)
MgO
12.
Outer shell electrons are called
a)
outer electrons
b)
valence electrons
c)
negatives
13.
Atoms want
a)
A full outer shell of electrons
b)
One electron short of a full shell
c)
kit kats
14.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
15.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
16.

Which is the correct structure for NH3?

Pictures correspond with a-d.

a)

Option A.

b)

Option B.

c)

Option C.

d)

Option D.

17.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
18.

Which of the following is the correct LD Diagram for Hydrogen Cyanide, HCN?

a)

A

b)

B

c)

C

d)

D

19.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
20.

Which is the correct molecular structure for carbon dioxide CO2?

a)
b)
c)
d)
21.

What is false of a covalent and ionic bond?

a)

covalent is sharing electrons but ionic has loss or gain of electrons

b)

covalent has cations and ionic has attraction due to charge

c)

ionic example is salt and covalent example is water

d)

ionic has a positive cation which is LEO that loses an electron

22.

Which of the following is true of the location of elements in the periodic table?

a)

mostly metals are on the left ,metalloids in the middle and nonmetals on the right

b)

mostly metals are on the right ,metalloids in the middle and nonmetals on the left

c)

metals are from group 1 and 2 only

d)

the noble gases are from group 1

23.

which of the following are examples of a diatomic molecule or compound

a)

N2

b)

CO2

c)

H20

d)

O2

e)

Methane (CH4)

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