Allotropes

Allotropes are different forms of the same element just bonded in different structures. Carbon is a good example as it can be in the form of diamond and graphite with different structures and properties

Articles that Allotropes Appeared in...

Giant Covalent Compounds

Giant covalent structures exist when many atoms are covalently bonded in a large structure.

Exceptions to the States of the Periodic Table

Whilst the general trend that metals are solids and non-metal are gases, liquids and solids hold true and as you progress down the non-metals there are more solids there are some key exceptions.