Calculate the average atomic mass of the following elements from the data below: 2. Copper 69.1% Cu-63 30.9% Cu-65

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)