They are not soluble in water
React slowly, require catalysts
They represent almost 99% of the compounds in nature
They represent about 1% of the compounds in nature
Very few of these compounds are fuels
Their boiling and melting points are relatively high
A lot of reactions with these type of compounds are reversible
Many of these compounds are soluble in water
Present the phenomena of isomerism
Their boiling and melting points are relatively low
Most of these compounds are fuels
The majority react irreversibly
They are good conductors of electricity
Bad conductors of electricity
Covalent bonds prevail (mainly non-polar)
Ionic and metallic bonds prevail