A 2.50cm cube of copper metal has a mass of 140.125g what is density of copper

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Which metals are called noble metals