Lewis Structures and Naming Compounds

Draw Lewis structure Molecular formula

Beryllium
sulphide
trihydrogen
phosphide
Calcium
oxide
Hydrogen
Hydrogen
chloride
Aluminum oxide
Boron
flouride
diphosphorus
trisulphide
Bromine
Nitrogen
trichloride
dinitrogen
trioxide
Sulphur
dichloride
Lithium
sulphide
Oxygen
dihydrogen
monoxide
Oxygen
difluoride
Magnesium
chloride
Phosphorus
triiodide

Write the molecular formulas for each molecule

Molecule / M. formula / Molecule / M. formula
Aluminum fluoride / Barium chloride
Magnesium chloride / Silicon tetrachloride
Potassium oxide / Lithium phosphide
Carbon tetrachloride / Dinitrogen tetrachloride
Sulfur dichloride / Calcium bromide
Calcium chloride / Potassium chloride
Chlorine dioxide / Sulfur dioxide
Sodium oxide / Disilicon hexafluoride
Phosphorus tribromide / Dichlorine monoxide
Chlorine / Phosphorus
Trichloride
Nitrogen trifloride / Lithium chloride
Carbon dioxide / Disilicon
tetrasulfide
Oxygen gas / Sodium iodide
Calcium fluoride / Aluminum chloride
Carbon monoxide / Sodium sulfide
Potassium chloride / Dinitrogen trioxide
Dichlorine monoxide / Potassium sulfide
Disilicon hexafluoride / Aluminum oxide
Lithium sulfide / Potassium bromide
Aluminum iodide / Beryllium
chloride

Give the name of each molecule

Molecule / Name / Molecule / Name
Na3P / Li2S
NaCl / BCl3
CH4 / BeCl2
H2O / K2S
NH3 / NCl3
KI / C2S4
CO2 / K2S
CaS / N2S3
MgO / Al2S3
CO / NaI
CCl4 / N2O3
AlCl3 / PCl3
LiF / MgF2
PF3 / OCl2
P2S3 / Li2S
Mg3P2 / CaCl2
SiCl4 / BeF2
K2O / KF
HCl / Si2S4
CF4 / P4S5

Practice Questions on Bonding and Naming

1. Which is the correct name for Al2S3?

A) aluminum sulfideB) dialuminum trisulfide

C) aluminum trisulfideD) trialuminum disulfide

2. Which is the correct name for CO?

A) carbon oxideB) carbon monoxide

C) monocarbon monoxideD) monocarbon oxide

3. Which is the correct name for N2S3?

A) nitrogen sulfideB) dinitrogen trisulfide

C) trinitrogen disulfideD) nitrogen trisulfide

4. What is the molecular formula for carbon dioxide?

A) COB) CO2C) C2OD) C2O2

5. What is the molecular formula for calcium chloride?

A) CaClB) Ca2ClC) CaCl2D) CaCl3

6. What is the molecular formula for magnesium oxide?

A) Mg2O2B) Mg2OC) MgO2D) MgO

7. What is the molecular formula for aluminum chloride?

A) AlClB) AlCl3C) Al3ClD) Al7Cl3

8. What compound is formed when an element is period two with 1 valence electron bonds with an element from family 6 with a valence of 2?

A) lithium oxideB) monolithium trioxide

C) lithium trioxideD) hexa lithium monoxide

9. What is the molecular formula of question number 10?

A) LiOB) LiO2C) Li6OD) Li2O

10. Draw Lewis structures for the following:

Magnesium phosphide / Dinitrogen
trisulfide
Hydrogen
Chloride / Nitrogen
bromide
Oxygen / Calcium
chloride
Water / Boron flouride

More Naming

Give the name of the molecules.

CH4 / BeCl2
KI / C2S4
CO2 / K2S
CaS / Na3P
MgO / Al2S3
AlCl3 / PCl3
LiF / MgF2
PF3 / OCl2
CaCl2 / NCl3

Write the molecular formulas of the molecules

Magnesium chloride / Silicon tetrachloride
Potassium oxide / Lithium phosphide
Calcium chloride / Potassium chloride
Nitrogen trihydride / Sulfur dioxide
Sodium oxide / Disilicon hexafluoride
Phosphorus tribromide / Dichlorine monoxide
Chlorine gas / Ammonia
Potassium chloride / Dinitrogen trioxide
Dichlorine monoxide / Carbon
tetrahydride
Sulfur trioxide / Methane
Dichlorine
sulfide / Magnesium oxide