You are presented with the quiz "A neutral atom that loses an electron becomes  what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if a neutral atom loses an electron then an atom with a negative charge will be formed" and "ions are atoms or groups of atoms that carry a positive or negative electrical charge". 

So, what's the best answer to the question?


 

        an ion   