Aluminum (Al) Copper Sulfate (CuSO 4 ) Copper Sulfate in Water (CuSO 4 in H 2 O) Carbon (graphite and diamond) (C) Corn Syrup (C 6 H 12 O 6 , H 2 O, NaCl, vanillin) Salt and Pepper (NaCl and Pepper) Beach Sand Salt (NaCl) Salt Water (NaCl in H 2 O) Sodium Bicarbonate (NaHCO 3 ) Sulfur (S) Copper (Cu) Glucose (C 6 H 12 O 6 ) Water (H 2 O) Gold (Au) Glucose (C 6 H 12 O 6 ) Hydrogen (H 2 ) Electron Proton Hydrogen Atom Neutron