Diamond is very hard because:
It is a giant covalent structure.
RM
Related Chemistry GCSE answers
All answers ▸Describe and Explain the trend in Volatility of Group 7 Elements
NaOH + HCl --> ____ + ___
Explain why the noble gases are inert.
Write a word equation for the reaction between marble chips and hydrochloric acid. (1) How could the rate of reaction be increased and why? (7)