Question

I need the # electron pairs groups around the central atom for:

OS2, CS2, PF6-, ICl4-, XeOF4, BF4-, H3O+, AlH4-, Nf3, PH4+, SeO3 2-, SnCl2, SeCl4, CH2O, NO2-, ICl2-, BrF5, and AlCl6 3-.

Answer 1

number of electron pairs groups around the central atom for:

SO2 - Bent - # of bonding groups/domains on 'central' atom= 2

  # of lone pair electrons on 'central' atom= 1

CS2 - Linear

# of bonding groups/domains on 'central' atom= 2

  # of lone pair electrons on 'central' atom= 0

PF6^- - Octahedral

   # of bonding groups/domains on 'central' atom= 6

# of lone pair electrons on 'central' atom= 0

ICl4^- - Square planar

   # of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 2

XeOF4 - Square pyramidal

# of bonding groups/domains on 'central' atom= 5

# of lone pair electrons on 'central' atom= 1

BF4^- - Tetrahedral

# of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 0

H3O⁺ - Tetrahedral

# of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 0

AlH4^- - Tetrahedral

# of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 0

Nf3 - Trigonal pyramidal

# of bonding groups/domains on 'central' atom= 3

# of lone pair electrons on 'central' atom= 1

PH4+ - Tetrahedral

# of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 0

SnCl2 - Bent

     # of bonding groups/domains on 'central' atom= 2

# of lone pair electrons on 'central' atom= 1

SeCl4 - Seesaw

     # of bonding groups/domains on 'central' atom= 4

# of lone pair electrons on 'central' atom= 1

CH2O - Trigonal planar

   # of bonding groups/domains on 'central' atom= 3

# of lone pair electrons on 'central' atom= 0

NO2- - Trigonal planar

# of bonding groups/domains on 'central' atom= 3

# of lone pair electrons on 'central' atom= 0

ICl2- - linear

# of bonding groups/domains on 'central' atom= 2

# of lone pair electrons on 'central' atom= 0

BrF5 - Square pyramidal

# of bonding groups/domains on 'central' atom= 5

# of lone pair electrons on 'central' atom= 1