BY Colin leachman
Copper is a reddish orange, soft metal that takes on a bright metallic luster.Copper surfaces exposed to air gradually tarnish to a dull, brownish color.
If water and air are present, copper will slowly corrode to form the carbonate verdigris often seen on roofs and statues.
Growing copper sulfate crystals is cool – chemicool in fact.
It is blue with litttle black so cool.
Reduction of Copper