covalent network solid
chemical substance whose atoms are bonded by covalent bonds in a continuous network extending throughout the material
Beta carbon nitride
chemical compound
germanium
chemical element with symbol Ge and atomic number 32
silicon dioxide
chemical compound
aluminium oxide
chemical compound
fused quartz
glass consisting of pure silica
red phosphorus
allotrope of phosphorus
diamond
allotrope of carbon often used as a gemstone and an abrasive
aluminum nitride
chemical compound
boron nitride
chemical compound