4 Atoms Bonded to a Central Atom H CH4→H:C:H ● H Tetrahedral Square Planar See-Saw (Sawhorse) H H H一 C—H H-C H H H H H H H SN =4 So Geometry is Tetrahedral VIll-74 Atoms Bonded to a Central Atom H C H H C H H H H C H H Tetrahedral Square Planar See-Saw (Sawhorse) SN = 4 So Geometry is Tetrahedral CH4 → H C H H H H H H VIII-7