21 Questions
In a trigonal bipyramidal electron-pair geometry, how many distinct positions are there?
Two
What are the bond angles surrounding the axial position in a trigonal bipyramidal electron-pair geometry?
90°
Why do lone pairs in a trigonal bipyramidal electron-pair geometry occupy equatorial positions?
To minimize repulsions with other electrons
How many possible arrangements are theoretically possible for the three bonds and two lone pairs in the ClF3 molecule?
Three
In an octahedral electron-pair geometry, how many bonding regions does the central atom have?
Six
Where are the two lone pairs positioned in an octahedral electron-pair geometry?
180° apart
What is the molecular structure observed for ClF3?
T-shaped
How many total regions of electron density qualify as one region in VSEPR theory?
'A double or triple bond'
What is the shape of the central atom with four bonding regions and 2 lone pairs?
Square planar
Where are the lone pairs positioned in a trigonal bipyramidal electron-pair geometry?
Equatorial positions only
How many bond angles of 90° surround the axial position in a trigonal bipyramidal electron-pair geometry?
2
What is the stable molecular structure observed for ClF3?
T-shaped
In an octahedral electron-pair geometry, how many regions of electron density are around the central atom?
6
What is the molecular structure observed for a central atom with two lone electron pairs and four bonding regions?
Square planar
How many distinct axial positions are there in a trigonal bipyramidal electron-pair geometry?
2
What is the shape of the molecule in ClF3 due to the larger lone pairs both occupying equatorial positions?
T-shaped
Why do lone pairs in a trigonal bipyramidal electron-pair geometry occupy equatorial positions?
To accommodate the larger lone pairs more easily due to the spacious equatorial positions.
How many distinct axial positions are there in a trigonal bipyramidal electron-pair geometry?
Two distinct axial positions.
What is the shape of the molecule in ClF3 due to the larger lone pairs both occupying equatorial positions?
T-shaped molecular structure.
What is the stable molecular structure observed for ClF3?
T-shaped molecular structure.
What is the shape of the central atom with four bonding regions and 2 lone pairs?
Square planar molecular structure.
Test your knowledge on the order of electron-pair repulsions and the sizes of different electron regions. Understand how lone pairs and bonding pairs influence the space occupied by electrons in molecules.
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