Metals are not invented by anyone.
Lead is a metal.
Lead is a poor metal and (or) a metalloid: it has some amphoteric properties as well, like bismuth or arsenic. It has some fine metallic properties though.
Yes, lead is a metal.
Lead metal
Lead is a soft ductile metal.
Lead is a soft ductile metal.
Pencil "lead" is not really lead, the metal - Pb. Pencils are made with graphite which is a mineral, an insulator.
The lead pencil was invented on 1564.
Lead is a metal.
No, lead is a metal and metal is not bio degradable.
Lead oxide is not a metal. Why?Lead is metal by itself, lead oxide is metal oxide, meaning it is a chemical compound that contains at least one atom of oxygen (thus oxide) and one other element (being a metal oxide, that one other element has to be metal, in this case lead).
No one invented ferrous metal. It is iron (Fe) which is an element, this was discovered not invented.