Determines the type of element an atom is.
the number of neutrons
the number of electrons
o the number of protons
o the number of atoms

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Chemistry worksheet - i am not sure what they are asking for exactly?

How are the terms group and period used on the periodic table