How many protons, neutrons, and electrons are present in an atom of zinc, Zn, with a mass number of 65?

How much energy moves onto the next level, in an energy pyramid

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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?