Apure substance that contains only one atom is called a(n) a: element b: compound c: mixture d: precipitate

Ihat will happen if i added baking soda to vinegar

Express the following number in scientific notation. 0.026890 =

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?