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
Where do the bond angles occur in a triagonal bipyramidal?
120 between 3 atoms
90 between the other 2
What is the name of the shape when the molecule contains 4 bonding pairs and 1 lone pair?
see saw
What are the bond angles in a see saw shape molecule?
102
86.5
Does a T shaped molecule contain two or three bonding pairs?
Three
How many lone pairs of electrons are there in a T shaped molecule?
2
What bond angle is there inside a t shaped molecule?
87.5 degrees
What will a molecule with 6 bonding pairs be called?
Octahedral
What will all of the bond angles be in an octahedral shape?
they will all be 90 degrees
How many bonding and lone pairs of electrons does a square pyramidal have? What is the bond angle?
5 bonding pairs
1 lone pair
90 degrees
What will the shape of a molecule with 4 bonding pairs and 2 lone pairs?
square planar
What angle is there in a square planar?
90 degrees
