Which of the following processes releases energy?
A) One electron is added to a neon atom.
B) One electron is removed from a sodium atom.
C) The second electron is removed from magnesium.
D) At least two of the above processes (a-c) release energy.
E) None of the above processes (a-c) release energy.

Question

Which of the following processes releases energy?   
A) One electron is added to a neon atom.  
B) One electron is removed from a sodium atom.  
C) The second electron is removed from magnesium.  
D) At least two of the above processes (a-c) release energy.  
E) None of the above processes (a-c) release energy.

anonymous · Answer

I was always under the impression that adding electrons releases energy and removing an electron does NOT.  However, a is not correct.