Question

Why does silicone dioxide have a higher melting point than sodium chloride?

Answer 1

$\color{Black}\huge{Answer}$

• It has a very high melting point as the ionic bond is very strong between them.
• More force is required to break down.
• Silicon dioxide is a giant covalent structure.
• It also has the highest melting point because the covalent bonds between them is the strongest.