Shapes of molecules Flashcards
If a molecule has 2 bonding pairs and 0 lone pairs, what is the name of the shape?
Linear
What are the bond angles in a linear molecule?
180
Give an example of a linear shape molecule?
BeCl2
How many bonding pairs and lone pairs does a triagonal planar have?
3 bonding pairs
0 lone pairs
What is the bond angle in a triagonal planar? Is it 104, 90 or 120 degrees?
120
Give an example of a triagonal planar shape?
Boron trifluoride
What shape molecule is it when there are 2 bonding pairs and one lone pair?
non linear/bent
What are the bonding pairs and lone pairs in a tetrahedral shape molecule?
4 bonding pairs
0 lone pairs
What is the bond angle in a tetrahedral shape?
109.5
Give an example of a tetrahedral molecule?
Ammonium ion
How many bonding pairs are in a triagonal pyramidal?
3
How many lone pairs are there in a triagonal pyramidal?
1
Which shape molecule has 2 bonding pairs as well as 2 lone pairs and what is the bond angle?
Non linear
104.5 degrees
What is an example of a non linear molecule with 104.5 degrees bond angles?
Water, H2O
How many bonding pairs does a trigonal bipyramidal shape have?
5