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WorksheetsCovalent bonding 2
Total questions: 10
Worksheet time: 5mins
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.
Carbon is in 4A, so how many bonds can it form based on electrons needed to fill its outer shell?
a)
1
b)
3
c)
4
d)
5
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.
What is the correct formula for this molecule?
a)
CH
b)
C1H4
c)
CH4
d)
C4H
7.
Why are dots and crosses used to show the electrons in the bonds?
a)
To show which atoms the electrons belong to
b)
Because this is what electrons looks like
c)
To show if the electron came from a metal
d)
To show if the electrons are gained or lost
8.
Single bonds are formed when ____ pair(s) of valence electrons are shared.
a)
one
b)
three
c)
two
d)
four
9.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
10.
How many electrons are involved in bonding in this molecule?
a)
2
b)
3
c)
4
d)
8
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