
AXN Notation and Molecular Geometry
Interactive Video
•
Chemistry
•
10th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main limitation of the Lewis structure when representing molecules like PBr3?
It does not indicate the number of valence electrons.
It does not show the types of atoms involved.
It only provides a 2D representation, not the 3D shape.
It cannot represent ionic bonds.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the valence shell electron pair repulsion theory, how do electron pairs arrange themselves?
They cluster together as closely as possible.
They align in a straight line.
They spread out as far apart as possible.
They form a circular pattern around the nucleus.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'A' represent in AXN notation?
The type of bonds present.
The number of atoms bonded to the central atom.
The central atom.
The number of lone pairs.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In AXN notation, what does the 'X' stand for?
The number of lone pairs.
The number of atoms bonded to the central atom.
The type of bonds present.
The central atom.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many lone pairs are present on the phosphorus atom in PBr3?
None
One
Two
Three
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molecular geometry of PBr3 according to AXN notation?
Tetrahedral
Trigonal pyramidal
Trigonal planar
Linear
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected bond angle for a trigonal pyramidal molecule like PBr3?
180 degrees
109.5 degrees
120 degrees
90 degrees
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