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WorksheetsStructural Formulas and VSEPR
Total questions: 15
Worksheet time: 17mins
Name
Class
Date
1.
The Lewis Dot structure for Oxygen shows ___ valance electrons. Of these, ___ are paired, and ___ are unpaired. Oxygen forms ___ covalent bonds.
a)
6, 2, 4, 2
b)
6, 2, 2, 2
c)
4, 2, 1, 4
d)
4, 1, 2, 4
2.
Based on the Lewis Dot Structure for the element Oxygen, how many covalent bonds would the O2 molecule have? The Oxygen molecule (O2) make up approximately 19% of our atmosphere.
a)
1
b)
2
c)
3
d)
4
3.
A formula with the lowest whole # ratio of elements in a compound is called
a)
Molecular Formula
b)
Chemical Formula
c)
Empirical Formula
d)
Distance Formula
4.
A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________
a)
ionic formula
b)
covalent formula
c)
empirical formula
d)
molecular formula
5.
C2H4 What is the empirical formula?
a)
CH
b)
CH2
c)
C4H2
d)
C2H4
6.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
7.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
BeCl2
8.
What is this shape called?
a)
Trigonal Planar
b)
Tetrahedral
c)
Trigonal Pyramidal
d)
Bent
9.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
10.
What shape would this have?
a)
Trigonal planar
b)
Pyramidal
c)
Tetrahedral
d)
Bent
11.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
12.
What is this shape called?
a)
Linear
b)
Trigonal Planar
c)
Tetrahedral
d)
Bent
13.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Linear
14.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Tetrahedral
d)
Linear
15.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
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