Sodium (group 1) calcium (group 2) aluminium (group 13) nitrogen (group 15) oxygen (group 16) bromine (group 17).
Using the elements given in above, construct formula and give the name of the ions and the resulting ionic compound from the following combinations:
Group 13 and group 16
Important Questions on Models
Sodium (group 1) calcium (group 2) aluminium (group 13) nitrogen (group 15) oxygen (group 16) bromine (group 17).
Using the elements given in above, construct formula and give the name of the ions and the resulting ionic compound from the following combinations:
Group 13 and group 17
Use Lewis symbols and structures to explain the formation of the following covalently bonded compound.
Methane
Use Lewis symbols and structures to explain the formation of the following covalently bonded compound.
Hydrogen bromide
Use Lewis symbols and structures to explain the formation of the following covalently bonded compound.
Phosphorus pentachloride
Use Lewis symbols and structures to explain the formation of the following covalently bonded compound.
Oxygen difluoride
Use Lewis symbols and structures to explain the formation of the following covalently bonded compound.
Carbon dioxide
Consider the compounds in given below. Can you make the distinction between electrons involved directly in bonding and lone pairs of electrons not required for the formation of the covalent bond? Which molecules have lone pairs of electrons and how many?
a) Methane b) Hydrogen bromide c) Phosphorus pentachloride d) Oxygen difluoride e) Carbon dioxide
Outline the difference between ionic, covalent and metallic bonding focusing on the following: electrical conductivity as a solid.
