You might say all metals are shiny (lustrous), but Iodine is pretty shiny too and that is a non-metal! Diamonds (an allotrope of carbon) are hard and have a high melting point (in fact, it just vapourizes). But what really makes up a metal? read more
Metals vs Non-metals Metals and non-metals are elements that are distinct in their chemical and physical properties. Metals and non-metals can be easily differentiated. read more