A crystalline solid is observed to have a very high melting point
CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
A crystalline solid is observed to have a very high melting point, to be soft enough to mark paper, and to conduct electricity in the solid state. Propose the most likely type of solid it is and reconcile the combination of properties with two specific features of its bonding and lattice structure.