Multiple ChoiceWhich of the following correctly describes the net charges of a cation and an anion?31views
Multiple ChoiceWhen a Mg^{2+} ion becomes a Mg atom, the radius increases because the Mg^{2+} ion:37views
Multiple ChoiceAn ion that consists of 7 protons, 6 neutrons, and 11 electrons has a net charge of ________.30views
Multiple ChoiceWhat is the charge of the metal ion in the complex [Fe(NH_3)_2Br_4]^{2-}? (Omit the + sign in your answer.)35views
Multiple ChoiceIf a nitrogen atom (N) gains two electrons, which of the following elements would it be isoelectronic with?36views