$$$ Quiz $$$ Covalent Bonding and Naming

$$$ Quiz $$$

CovalentBonding and Naming

A bond in which electrons are shared.

covalent

$1

A bond in which electrons are exchanged or taken.

ionic

$1

How many valence electrons are in an atom of selenium?

6

$1

Does PCl3 break the octet rule? Part 2: Draw the lewis

structure on the board.

no

$2

True or False: The pair of electrons in ammonia not involved in

bonding is called the “outer pair” ?

False, lone pair or unshared pair

$1

What type of bond forms when an “s” orbital overlaps

with an s, p, or hybrid orbital?

Sigma,

$2

Does the element iodine exist as a monotomic, diatomic, or triatomic

molecule?

diatomic

$1

What type of orbital and how many of these orbitals are needed to make a pi bond.

“p” orbital, 2

$2

$4

Write down the prefixes (from 1-10) used in naming binary

molecular compounds.

Mono, di, tri, tetra, penta, hexa, hepta, octa,

nona, deca

Draw a hydrogen bond on the board.

$2

A triple bond contains how many electrons?

6

$1

CsF, H2O, ZnS, BaI2Which one of these compounds is a

molecular (covalent) compound?

H2O

$1

Give the hybridization of each carbon atom in the following molecule?

C

C

C C C

H

H

H

HH

H

$4

sp3

sp2

sp2

sp

sp

What is the shape of AsF3?

Trigonal pyramidal

$2

What is the shape of GeCl4?

Tetrahedral

$2

What is the shape of SeCl2?

Bent or Angle

$2

What is the shape of AlCl3?

Trigonal Planar

$2

What is the shape of CS2?

Linear

$2

What is the shape of PBr5?

Trigonal Bipyramidal

$2

Which one of these is the most polar bond?

C-O or C-F or C-Cl or C-N

C-F, polar covalent bond

$2

What type of hybrid orbital exists in a methane molecule?

sp3

$1

Name the four intermolecular forces that we recently talked about.

Dipole-dipoleIon-dipole

Dispersion forces (London)Hydrogen bonding

$4

Which one of these forces is the weakest?

Dipole-dipoleIon-dipole

Dispersion forces (London)Hydrogen bonding

$1

Write the formula for nitrogen trioxide.

NO3

$1

Write the formula for diphosphorus pentabromide.

P2Br5

$1

Write the name of the compound, H2O2.

Dihydrogen dioxide, hydrogen peroxide

$1

Write the name of the compound, Si2Cl7.

Disilicon heptachloride

$1

What is the chemical formula of tin(IV) carbonate?

Sn(CO3)2

$3

A bond where electrons are shared is known as a _______

bond?

covalent

$1

Is there such a thing as S3-?

No, only S2-, sulfide

$1

Draw the electron dot structure of silicon?

$1

How many valence electrons does aluminum have?

three

$1

Draw the lewis structure for SCl2

$2

Draw the lewis structure for AsH3

$2

Draw the lewis structure for HSCN

$3

Is CHCl3 a polar or nonpolar molecule?

$2

Is BCl3 a polar or nonpolar molecule?

$2

Is NO2 a polar or nonpolar molecule? What’s its geometry? Does it have resonance structures? Show on board.

$4Polar, bent

Draw the electron dot structure of antimony ?

$1

What is the chemical formula of ammonium hydroxide?

NH4OH

$2