You may be thinking of Tellurium Copper (TeCU). Tellurium is an element (Te), and it's easy to confuse it with Beryllium (Be), another element. Both are often alloyed with Copper (Cu). BeCu can be heat-treated and is great for springs.
If it is a copper nugget, it must be made of copper.
The penny is made out of copper.
The penny is made partly of copper.
It is made of copper and nickel. A 1949 NICKEL is made from copper & nickel.
I would assume copper
If it is a copper nugget, it must be made of copper.
The penny is made out of copper.
a copper kettle is made of copper, a browny red metal. . .
Copper is mined as copper it is not an alloy
Copper is a metal and is made of copper
Copper
copper
Copper granules are very small and rice shape copper made by copper granulators. They are usually made from copper scrap for the purpose of recycling.
they are made of Copper, bronze and brass
The penny is made partly of copper.
Copper nitrate is a compound. It is made from oxygen, copper and nitrogen.
no its made out of gummy bears of course keys are made out of copper