Chemistry · May / June 2023 · Paper 12 · Question 4

Element X and element Y react together to form a compound. The electronic configurations of X and Y are X = 2,8,3 and Y = 2,6. Which row shows the electron transfer that takes place and the type of compound formed?

1. A2 atoms each lose 3 electrons; 3 atoms each receive 2 electrons; covalent
2. B2 atoms each lose 3 electrons; 3 atoms each receive 2 electrons; ionic
3. C2 atoms each receive 3 electrons; 3 atoms each lose 2 electrons; covalent
4. D2 atoms each receive 3 electrons; 3 atoms each receive 2 electrons; ionic

As printed in the paper