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Bonding and Polarity
By Sandra Kuhn
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Last updated about 1 year ago
10 questions
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Question 1
1.
The chemical BONDS between carbon and fluorine in the following molecule is best described as ...
polar covalent
ionic
metallic
non-polar covalent
Question 2
2.
How many lone pairs of electrons are present on the central atom in a molecule of carbon dioxide?
2
1
0
3
Question 3
3.
The polarity of a bond between two elements can be best determined by
The difference in atomic radius between the elements
The difference in electronegativity between the elements
The difference in charge distribution between the elements
The number of electrons shared in the bond
Question 4
4.
In the diagram shown, what is the total number of electrons shared in the bond between the two carbon atoms?
2
4
6
8
Question 5
5.
Which of the following is NOT a property of a ionic compounds?
High melting and boiling points
Brittle
Can conduct electricity when solid
Can be soluble
Question 6
6.
A type of bond that results from the equal sharing of electrons is a
ionic bond
polar covalent bond
non-polar covalent bond
none of these options apply
Question 7
7.
Why does diamond have such high melting and boiling points?
There are strong electrostatic forces of attraction between carbon atoms that need to be broken
The bonds between carbon and carbon atoms are polar
Carbon has a high electronegativity
There a many covalent bonds that need to be broken between carbon atoms
Question 8
8.
The transfer of electrons occurs during
Metallic bonding
Covalent bonding
Ionic bonding
Question 9
9.
This substance's bonding model involves a cation core with a sea of delocalised electrons.
H
2
O
NaF
MgCl
2
Ca
CH
4
Cl
2
Question 10
10.
This substance is formed by an electrostatic attraction between ions
MgCl
2
H
2
O
Na
Cl
2
CH
4
HF