arrange-the-following-elements-in-decreasing-order-of-the-energies-required-to-a

Question

Arrange the following elements in decreasing order of the energies released from the addition of an electron in their outermost shell: Si, Mg, Na, Al

Accepted Answer

Si \u003e Al \u003e Mg \u003e Na

Answer

Na \u003e Mg \u003e Al \u003e Si

Answer

Mg \u003e Na \u003e Si \u003e Al

Answer

Al \u003e Si \u003e Na \u003e Mg