What is the difference between ionic and covalent bonding?
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 make a complete outer shell, forming ions e.g. NaCl.
NS
Related Chemistry GCSE answers
All answers ▸Explain briefly the separation technique of fractional distillation, with reference to a particular example.
Explain why, when a reversible reaction reaches equilibrium, the reaction appears to have stopped.
How can I test to see if a sample a metal contains potassium?
NaOH + HCl --> ____ + ___