Module 2 - Shapes of molecules Flashcards
bond pair def
electrons that are shared in a covalent bond
lone pair def
electrons that arent shared in a covalent bond
what makes a molecule have a regular shape
ONLY bond pairs, NO lone pairs
what shape has 2 bond pairs and what is its angle
linear
180
what shape has 3 bond pairs and what is its angle
trigonal planar
120
what shape has 4 bond pairs and what is its angle
tetrahedral
109.5
what shape has 5 bond pairs and what is its angle
triangular bipyramidal
90 and 120
what shape has 6 bond pairs and what is its angle
octahedral
90
If there is a lone pair, by how much do you subtract
subtract by 2’5
name the shape if a molecule has 2 bond pairs 2 lone p
Non-linear/Bent
what is the bond angle of a non linear shape
104
what shape does a molecule have if it has 1 lone p and 3 bond p
pyramidal