A solid has a very high melting point,great hardness,and poor electrical conduction.This is a(n)________ solid.
A)ionic
B)molecular
C)metallic
D)covalent network
E)metallic and covalent network

Question

Quizplus · Accepted Answer

A solid with high melting point, great hardness, and poor electrical conduction is characteristic of a covalent network solid, which is held together by a network of covalent bonds between atoms. Examples of covalent network solids include diamond, graphite, and quartz.

A Solid Has a Very High Melting Point,great Hardness,and Poor