Metals like bronze (an alloy of Cu and Zn) and Iron have played a big role in civilization - hence the Bronze Age and Iron Age. The abundance of the.
Sections 5.4 – 5.6 Energy and Chemical Reactions.
Group 4: Ti, Zr, Hf The discovery of titanium in 1791 is attributed to William Gregor, a Cornish vicar and amateur chemist. He isolated an impure oxide.
