Batteries produce free electrons that can be used as an energy source to operate devices such as computers. Various elements are used as the sources of such electrons Which criteria identify an
element that most efficiently can be used to produce free electrons?
1.The element should be a metal with low ionization energy
2.The element should be a nonmetal with low ionization energy
3.The element should be a metal with high ionization energy
4.The element should be a nonmetal with high ionization energ