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CHEM177- Exam IV
sure
23
Chemistry
Undergraduate 1
11/09/2010

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Cards

Term
Linear Shape
Definition

AX2E0

deg- 180

or

AX2E3

deg- 180

Term
Trigonal Planar Shape
Definition

AX3E0

deg- 120

Term
Tetrahedral Shape
Definition

AX4E0

Deg- 109.5, 120

Term
Trigonal bipyramidal Shape
Definition

AX5E0

Deg- 120, 90

Term
Octahedral Shape
Definition

AX6E0

deg- 90

Term
Bent Shape
Definition

AX2E1

deg- 120

or

AX2E2

Term
Trigonal pyramidal Shape
Definition

AX3E1

deg- 120

Term
Seesaw Shape
Definition

AX4E1

deg- 120, 90

Term
T-Shaped Shape
Definition

AX3E2

deg- 90

 

Term
Square pyramidal Shape
Definition

AX5E1

deg- 90

 

Term
Square Planar Shape
Definition

AX4E2

deg- 90

Term
Hybrid: Atomic Orbital Set: s,p,p
Definition

Hybrid Orbital Set: Three sp2

Trigonal Planar

example: BeF3, SO3

Term
Hybrid: Atomic Orbital Set: s,p
Definition

two sp

Linear

examples: BeF2, HgCl2

Term
Hybrid: Atomic Orbital Set: s,p,p,p
Definition

Four sp3

tetrahedral

examples: CH4, NH3, H2O, NH4+

Term
Hybrid: Atomic Orbital Set: s,p,p,p,d
Definition

Five sp3d

Trigonal bipyramidal

examples: PF3, SF4, BrF3

 

Term
Hybrid: Atomic Orbital Set: s,p,p,p,d,d
Definition

Six sp3d2

Octahedral

examples: SF3, ClF5, XeF4, PF6-

Term
Steps to predict hybrid orbitals used by an atom in bonding
Definition

1. Draw Lewis Structure

2. Determine the electron-domain geometry using VSEPR model

3. Specify the hybrid orbitals needed to accommodate the electron pairs based on their geometric arrangement (two sp-linear, three sp2- trigonal planar)

Term
nonmetal oxide + H2O => ?
Definition
acids
Term
metal oxide + H2O => ?
Definition
metal hydroxide (base) + OH-
Term
nonmetal oxide + base => ?
Definition
salt + H2O
Term
metal oxide + acid => ?
Definition
salt + H2O
Term
active metal (exp: K(s)) + H2O =>
Definition
H2(g) + metal hydroxide
Term
lattice energy
Definition
energy needed to separate an ionic lattice into gaseous ions
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