Rank the following substances from lowest to highest melting point: CO (s), Fe(s),…

CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

Rank the following substances from lowest to highest melting point: CO

_2

(s), Fe(s), SiO

_2

(quartz), and MgO(s). Write the substances in order separated by “<”.