Shapes Of Molecules Flashcards
1
Q
What is the difference between bonded electrons and lone pairs?
A
Lone pairs are not bonded and have a much higher negative charge
2
Q
Central atoms with two electron pairs
A
Linear
180
3
Q
Central atoms with three electron pairs
A
120
Trigonal planar
4
Q
Central atoms with four electron pairs
A
109.5
Tetrahedral
5
Q
Three bonding electrons and one line pair
A
Trigonal pyramidal
107
6
Q
Two bonding pairs and two lone pairs
A
Water
104,5
7
Q
Central atoms with five electron pairs
A
120 and 90
Trigonal bipyramidal
8
Q
Central atoms with six electrons
A
Octahedral
9
Q
What does the shape depend on
A
The number of electron pairs of the outer shell of the central atom.
