For the following electron-transfer reaction: Ni(s) + Pb2+(aq) —— Ni2+(aq) + Pb(s)
The oxidation half-reaction is:
The reduction half-reaction is:

What shape would a molecule with two bound groups and two lone pairs have?

What does a numerical subscript following an element in a chemical formula mean?

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive