chem ch 8

______ = 4 electron domains; 4 bonding and 0 nonbonding

tetrahedral

_____ = 4 electron domains; 3 bonding and 1 nonbonding

trigonal pyramidal

---

= 4 electron domains; 2 bonding and 2 nonbonding

bent

__ = 2 electron domains; 2 bonding and 0 nonbonding

linear

__ = 3 electron domains; 2 bonding and 1 nonbonding

bent

__ = 5 electron domains; 5 BONDING AND 0 NONBONDING

trigonal bipyramidal

__ = 5 electron domains; 4 bonding and 1 nonbonding

seesaw

__ = 5 electron domains; 3 bonding and 2 nonbonding

T-shaped

__ = 5 electron domains; 2 bonding and 3 nonbonding

linear

__ = 6 electron domain; 6 bonding and 0 nonbonding

octahedral

__= 6 electron domain; 5 bonding and 1 nonbonding

square pyramidal

__ = 6 electron domains; 4 bonding and 2 nonbonding

square planar

__ bonds - first bond

sigma

__ bonds - 2nd and 3rd bonds

pi

__ = the direction to which electrons point

electron domains

__ = best arrangement for electron domains

VESPAR

VESPAR: Valence-shell Electron __ _ model

Pair Repulsion

electron domain: 2; Geometry: Linear; Angle: __

180

electron domains: 3; Geometry: Trigonal Planar; Angle: __

120

electron domains: 4; Geometry: tetrahedral; angle: __

109.5

electron domains: 5; Geometry: trigonal bipyramidal; Angle: __ and _

120 - 90

electron domains: 6; Geometry: Octahedral; Angle: __

90

ionic bonds are very ___ (exo or ends)

exothermic

ionic substance are ____, high melting point, ___, cleaved with smooth lines

brittle - crystalline

electronegativity difference: Pure covalent - __

<.4

electronegativity difference: polar covalent: ___

between 0.4 and 1.8

electronegativity difference: ionic: ____

>1.8

in real world, ideal gas law is confirmed at _ temp and _ pressure

high - low