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 ▸What is an exothermic reaction?
A metal oxide has a relative formula mass (Mr ) of 81. The formula of this metal oxide is MO. Given that the relative atomic mass (Ar ) of oxygen is 16, what is the metal in the metal oxide?
Balance the following equation: Na + H2O -> NaOH + H2
How is crude oil separated into fractions?