Copper Copper was discovered in 9000 BC by the middle east, copper is a chemical metal with the symbol Cu and the atomic number 29, copper is ductile.
1 Introduction to Fusion Nuclear Technology and Blanket Concepts Mohamed Abdou (web:
The Elements Hydrogen - Calcium. Hydrogen The most abundant element in the universe. It is the fuel that burns in stars. It is the simplest element. Hydrogen.
Introduction to ATOMS. Electrons are always on the move.
