lone pairs of electrons and bond angles and steps for predicting electron group geometry and molecular shape

what do small distortions from the ideal angles result from?

differences in repulsion between various regions of electron density

how does the VSEPR theory predict? through establishing order of _____________ and an order of the amount of ________ occupied by different kinds of electron pairs

repulsions, space

what is the order from greatest to least repulsion? ________ pair-_________pair → ______pair-_______pair → _________pair-________pair

lone, lone, lone, bonding, bonding, bonding

what does the greatest to least repulsion determine?

the amount of space occupied by different regions of electrons

what are the sizes from largest to smallest of electron domains or groups

lone pair, triple bond, double bond, single bond

what is the first step for predicting electron group geometry and molecular shape
1. write __________________

lewis structure

what is the second step for predicting electron group geometry and molecular shape

2. count number of _______________ of electron density around _________ atom

regions/groups, central

what is the third step for predicting electron group geometry and molecular shape

3. identify electron group ______________ (linear, trigonal planar, tetrahedral, trigonal bipyramidal, octahedral)

geometry

what is the fourth step for predicting electron group geometry and molecular shape

4. use the number of _______ to determine molecular shape

lone pairs