Shapes of Molecules Flashcards
What is the bond angle of trigonal planar and how many lone + electron pairs does it have?
Bond angle - 120
Electron pairs - 3
Lone pairs - 0
What is the bond angle of tetrahedral and how many lone + electron pairs does it have?
Bond angle - 109.5
Electron pairs - 4
Lone pairs - 0
What is the bond angle of trigonal bipyramid and how many lone + electron pairs does it have?
Bond angle - 120 and 90
Electron pairs - 5
Lone pairs - 0
What is the bond angle of bent/ v shaped and how many lone + electron pairs does it have?
Bond angle - 104.5
Electron pairs - 4
Lone pairs - 2
What is the bond angle of trigonal pyramid and how many lone + electron pairs does it have?
Bond angle - 107
Electron pairs - 4
Lone pairs - 1
What is the bond angle of bent and how many lone + electron pairs does it have?
Bond angle - 117.5
Electron pairs - 3
Lone pairs - 1
What is the bond angle of octahedral and how many lone + electron pairs does it have?
Bond angle - 90
Electron pairs - 6
Lone pairs - 0
How would you explain the shape of molecules? Give an example of a sentence using SiH4.
There are 4 bonding pairs of electrons around the central atom and no lone pairs.
These repel equally resulting in a tetrahedral shape of bond angle 109.5.