If the cell emf of a zn–cu cell is 0.80 v when the concentration of zn2+ is 2.0 m, what is the concentration of cu2+?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided