Chemistry · Oct / Nov 2022 · Paper 11 · Question 9

Silicon dioxide has a giant structure. Each silicon atom is joined to four oxygen atoms by covalent bonds. Part of the structure is shown. Which property would silicon dioxide be expected to have?

1. Aa good conductor of electricity
2. Ba high melting point
3. Creacts with hydrochloric acid
4. Dsoluble in water

As printed in the paper