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Covalent bonding is the sharing of a pair of electrons between atoms to make molecules e.g. CO₂, whereas Ionic bonding is the transfer of electrons from one atom to the other to m...

There will be no need for state symbols.

First of all, to balance these equations, list the number of each atom, for both sides of the equation.

In this example, it would be:
...

Tertiary halogenoalkanes will undergo a SN1 reaction. This means that there is 1 molecule in the rate determining step, which is the slowest step. Because of the bulky alkyl groups surrounding the central...

Within the chlorine molecule, there are covalent bonds present between each atom of chlorine. This results in the formation of simple molecules, meaning there are no bonds between molecules of chlorine. A...

Cracking is the process of breaking large Hydrocarbon molecules into smaller ones.
This is carried out to refine fuels and increase the yeild in petrolium refining.