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Covalent Bonding
Covalent Bonding
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Answers
1
What is the Molecular Geometry (shape) of a CH
4
molecule?
Tetrahedral
Square
Linear
Trigonal Pyramidal
2
Which of the following is a valid formula for a compound of carbon and hydrogen?
CH
C2H2
CH4
C2H
3
Which of the following is the correct formula for Sulfur Hexafluoride?
SF
SF4
SF6
S6F
4
When do Polar Covalent Bonds form?
When electrons are shared equally
When electrons are shared unequally
When e-'s are transferred to the more electronegative atom
When penguins best polar bears in a battle of wits
5
What shape would this compound have?
triangular
bent
tetrahedral
pyramidal
6
Which of the following elements bonded together would create a Non-Polar Covalent Bond?
Helium and Argon
Lithium and Lithium
Hydrogen and Oxygen
Nitrogen and Nitrogen
7
How many bonds can Chlorine (Cl) form?
1
0
2
7
8
In the molecule O
2
, how many bonds will occur between the two Oxygen atoms?
6
8
2
1
9
What shape would this compound have?
tetrahedral
bent
pyramidal
triangle
10
Which of the following pairs of elements are most likely to make a covalent bond?
Carbon and Sulfur
Lithium and Oxygen
Hydrogen and Sodium
Helium and Uranium
11
What is the Molecular Geometry (shape) of the molecule shown below?
Trigonal Planar
Bent
Linear
Trigonal Pyramidal
12
How many bonds would you expect a Sulfur atom to form in a Covalent molecule?
2
4
6
1
13
What is the Molecular Geometry (shape) of the molecule shown?
Linear
Trigonal Planar
Pyramidal
Tetrahedral
14
Name this substance: SBr
2
Sulfur Bromide
Sulfur Dibromide
Sulfur (II) Bromide
Monosulfur Dibromide
15
How many electrons are shared in one covalent bond?
2
1
none the electrons are delocalised
none the electrons are transferred
16
What happens when a covalent bond occurs between two atoms?
Electrons are shared between the atoms
Electrons are removed from both atoms
Electrons transfer from one atom to another
The nuclei of the two atoms merge together
17
What kinds of elements form covalent bonds?
Metalloids bonding with Radioactive Elements
Metals bonding with Metals
Non-Metals bonding with Non-Metals
Metals bonding with Non-Metals
18
Which of the following shows the correct electron dot formula of nitrogen (N)?
B
D
C
A
19
Name this substance: CF
4
Monocarbon Tetrafluoride
Carbon (IV) Fluoride
Carbon Fluoride
Carbon Tetrafluoride
20
In the molecule CO
2
, which atom will be the central atom?
Carbon
2
Oxygen
They take turns, because they share
21
How many valence electrons does a Phosphorus atom have?
15
1
5
3
22
Name this substance: CaO
Calcium Oxide
Carbon Oxide
Calcium Monoxide
Carbon Monoxide
23
Which of the following structural formulas represents C
3
H
4
B
D
C
A
