
Molecular Geometry and VSEPR Theory

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic concept of a tetrahedral molecular geometry?
Two atoms attached to a central atom
Five atoms attached to a central atom
Four atoms attached to a central atom
Three atoms attached to a central atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does VSEPR theory primarily focus on?
Nuclear forces
Valence shell electron repulsion
Core electrons
Atomic mass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of CH4, what happens when hydrogen atoms are added to the central carbon?
They repel and spread out
They form a linear shape
They form a square shape
They attract each other
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the bond angle in a tetrahedral structure like CH4?
180 degrees
90 degrees
109.5 degrees
120 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't Lewis structures alone predict molecular shapes?
They are too complex
They are outdated
They only show ionic bonds
They do not show electron repulsion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional factor influences molecular geometry besides the number of atoms attached?
Neutron count
Atomic mass
Lone pair electrons
Proton count
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does VSEPR theory help in predicting molecular geometries?
By using a correct Lewis structure
By analyzing core electrons
By measuring bond lengths
By calculating atomic mass
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a factor in determining molecular geometry according to VSEPR theory?
Core electron configuration
Number of atoms attached
Valence shell electron repulsion
Lone pair electrons
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of lone pair electrons in molecular geometry?
They determine atomic mass
They attract other atoms
They influence the shape
They have no effect
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