What's the difference between covalent and ionic bonding?

Covalent bonding happens when two molecules share a pair of electrons. For example in hydrogen chloride (HCl). Ionic bonding is when two oppositely charged ions are attracted to each other to form a lattice. For example sodium chloride (NaCl - aka table salt) 

IS

Related Chemistry A Level answers

All answers ▸

What happens upon the addition of NaOH solution (OH- ions) to a pink solution of cobalt chloride? Include equation(s) in your answer.


Explain what is meant by the term 'rate of reaction'?


Why is methylamine a stronger base than aminobenzene?


State the reagents and conditions for the formation of an aldehyde, starting from a primary-alcohol.