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WorksheetsUnit 5 Bonding Check in #1
Total questions: 18
Worksheet time: 21mins
Name
Class
Date
1.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
2.
Metals and nonmetals form which kind of bond?
a)
Polar covalent
b)
Ionic
c)
Non-polar covalent
d)
Metallic
3.
How strongly an atom attracts electrons is called....................
a)
Ionization energy
b)
Electronegativity
c)
Electricity
d)
Nuclear force
4.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
5.
NH3 has how many lone pairs?
a)
0
b)
1
c)
2
d)
3
6.
A covalent bond is
a)
a bond that shares electrons metallicaly
b)
A bond that shares electrons between non-metals
c)
Metalloids bonding
d)
metals and nonmetals bonding
7.
Which of the following is an ionic bond?
a)
H3N
b)
CaCl2
c)
NO2
d)
SCl
8.
How many valence electrons do elements in Group 2A have?
a)
12
b)
4
c)
1
d)
2
9.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
10.
An electron has what kind of charge?
a)
no charge
b)
positive
c)
negative
d)
it depends
11.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
12.
Atoms that lose electrons become...
a)
negatively charged
b)
postively charged
c)
remain neutral, no charge
d)
losers
13.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
14.
metals need how much energy to lose their valence electrons
a)
a large amount of energy
b)
a small amount of energy
c)
no energy needed
d)
What's energy?
15.
The following statements are true for ionic bonding EXCEPT
a)
bonding between metal and non metal
b)
electrostatic forces between opposite charges
c)
transferring of electrons
d)
sharing of electrons
16.
Ionic or covalent?
NaBr
NaBr
a)
Ionic
b)
Covalent
17.
Ionic or covalent?
H2O
H2O
a)
Ionic
b)
Covalent
18.
Which of the following compounds does NOT contain molecules?
a)
H2
b)
NaCl
c)
CO2
d)
H2O
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