Why are alkanes saturated and alkenes unsaturated?

Alkanes are saturated because they contain only single covalent bonds. Alkenes are unsaturated because they do have double covalent bonds.

CM

Related Chemistry GCSE answers

All answers ▸

In terms of electron transfer describe what happens when one atom of calcium reacts with two atoms of chlorine and give the ions that are formed.


Why is iodine a solid at room temperature and chlorine a gas, despite being in the same group?


Describe and explain the trend in reactivity down the alkali metals group.


What are ionic bonds?