🟡 Topic 2: Bond Shapes And Angles Flashcards
What bond shape and angle has 2 bonding pairs and 0 lone pairs?
Linear - 180
What bond shape and angle has 3 bonding pairs and 0 lone pairs?
Trigonal planar - 120
It may also have 3 bonding pairs and 2 lone pairs
What bond shape and angle has 4 bonding pairs and 0 lone pairs?
Tetrahedral - 109.5
What bond shape and angle has 5 bonding pairs and 0 lone pairs?
Trigonal bipyramidal - 90 and 120
90 from equator to apex, 120 around equator
What bond shape and angle has 6 bonding pairs and 0 lone pairs?
Octahedral - 90
What bond shape and angle has 3 bonding pairs and 1 lone pair?
Trigonal pyramidal - 107
What bond shape and angle has 2 bonding pairs and 2 lone pairs?
Bent/ angular/ v-shaped - 104.5
May have just 1 lone pair
What bond shape and angle has 4 bonding pairs and 2 lone pairs?
Square planar - 90
If there is a double bond, is it counted as one bonding pair, or two bonding pairs?
One bonding pair
Lone pairs only matter if on the …
Central atom
By what degree do lone pairs push bonding pairs closer together?
By 2.5
What is the bond angle and bond shape of BF3?
Trigonal planar - 120
What is the bond angle and bond shape of PCl5?
Trigonal bipyramidal - 90 and 120
What is the bond angle and bond shape of CH4?
Tetrahedral - 109.5
What is the bond angle and bond shape of CO2?
Linear - 180