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WorksheetsChemical Bonding Key points
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
How do positive ions form?
a)
lose an electron
b)
gain an electron
c)
lose a neutron
d)
gain a neutron
2.
How do negative ions form
a)
lose an electron
b)
gain an electron
c)
lose a neutron
d)
gain a neutron
3.
A cation is an atom that has _________ an electron.
a)
loss
b)
gained
4.
An anion is an atom that has _________ an electron.
a)
loss
b)
gained
5.
Noble gases are not likely to form a chemical bond.
a)
True
b)
False
6.
Metals with non-metals will form a ____________ bond.
a)
Ionic
b)
Covalent
c)
Hydrogen
7.
Non-metals with non-metals will create a _________ bond.
a)
ionic
b)
covalent
c)
hydrogen
8.
Potassium and Oxygen form ?
a)
PO
b)
KO
c)
K2O
d)
KO2
9.
Na + and S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
10.
P3O8
a)
ionic
b)
covalent
11.
Li(OH)
a)
ionic
b)
covalent
12.
How many valence electrons does Oxygen (O) have?
a)
6
b)
8
c)
15
d)
16
13.
An atom of nitrogen (N) has _______ open bonding sites.
a)
5
b)
4
c)
3
d)
8
14.
The weakest covalent bond is a _____________.
a)
single bond
b)
double bond
c)
triple bond
d)
polar bond
15.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
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