Chemistry Chapter 5 VESPR Notation & Polyatomic Ions

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What does the A stand for in AXE

central atom structure

What does the X stand for in AXE

terminal atoms

What does the E stand for in AXE

lone pairs of electrons

What is the VESPR notation for a linear shape (0 lone pairs)

AX2

What is the VESPR notation for a trigonal planar shape (0 lone pairs)

AX3

What is the VESPR notation for a trigonal planar shape (1 lone pair)

AX2E

What is the VESPR notation for a tetrahedral shape (0 lone pairs)

AX4

What is the VESPR notation for a tetrahedral shape (1 lone pair)

AX3E

What is the VESPR notation for a tetrahedral shape (2 lone pairs)

AX2E2

What is the VESPR notation for a trigonal bipyramidal shape (0 lone pairs)

AX5

What is the VESPR notation for a trigonal bipyramidal shape (1 lone pair)

AX4E

What is the VESPR notation for a trigonal bipyramidal shape (2 lone pairs)

AX3E2

What is the VESPR notation for a trigonal bipyramidal shape (3 lone pairs)

AX2E3

What is the VESPR notation for an octahedral shape (0 lone pairs)

AX6

What is the VESPR notation for an octahedral shape (1 lone pair)

AX5E

What is the VESPR notation for an octahedral shape (2 lone pairs)

AX4E2

Name the molecular model (name, # of lone pairs):

Linear, 0 lone pairs

Name the molecular model (name, # of lone pairs):

Trigonal planar, 0 lone pairs

Name the molecular model (name, # of lone pairs):

Trigonal planar, 1 lone pair

Name the molecular model (name, # of lone pairs):

Tetrahedral, 0 lone pairs

Name the molecular model (name, # of lone pairs):

Tetrahedral, 1 lone pair

Name the molecular model (name, # of lone pairs):

tetrahedral, 2 lone pairs

Name the molecular model (name, # of lone pairs):

Trigonal bipyramidal, 0 lone pairs

Name the molecular model (name, # of lone pairs):

Trigonal bipyramidal, 1 lone pair

Name the molecular model (name, # of lone pairs):

Trigonal bipyramidal, 2 lone pairs

Name the molecular model (name, # of lone pairs):

Trigonal bipyramidal, 3 lone pairs

Name the molecular model (name, # of lone pairs):

Octahedral, 0 lone pairs

Name the molecular model (name, # of lone pairs):

Octahedral, 1 lone pair

Name the molecular model (name, # of lone pairs):

Octahedral, 2 lone pairs

What is the name of OH-

Hydroxide

What is the name of NH4+

Ammonium

What is the name of NO3-

Nitrate

What is the name of NO2-

Nitrite

What is the name of ClO4-

Perchlorate

What is the name of ClO3-

Chlorate

What is the name of ClO2-

Chlorite

What is the name of ClO-

Hypochlorite

What is the name of (CO3)2-

Carbonate

What is the name of HCO3-

Hydrogen carbonate (bicarbonate)

What is the name of CN-

Cyanide

What is the name of C2H3O2-

Acetate

What is the name of (SO4)2-

Sulfate

What is the name of HSO4-

Hydrogen sulfate (or bisulfate)

What is the name of (SO3)2-

Sulfite

What is the name of HSO3-

Hydrogen sulfite (or bisulfite)

What is the name of (PO4)3-

Phosphate

What is the name of (HPO4)2-

Hydrogen phosphate

What is the name of H2PO4-

Dihydrogen phosphate

What is the name of (PO3)3-

Phosphite

Which nonmetals are found in polyatomic ions

hydrogen, nitrogen, chlorine, carbon, sulfur, phosphorus

What does VESPR stand for

Valence-Shell Electron-Pair Repulsion Theory

Name the molecular model:

Trigonal planar

True or false: Polar molecules are asymmetric

true

Define hybrid orbitals

mixing atomic orbitals to create new orbitals of equal energy (degenerate orbitals)

Define hypervalent molecules

Elements which have more than an octet

Name the structure:

Sigma bond

Name the structure:

Pi Bond

What are the characteristics of sigma bonds

head to head overlap and cylindrical symmetry of electron density about the internuclear axis

What are the characteristics of pi bonds

side to side overlap and electron density above and below the internuclear axis