1. Oxygen, a nonmetal in Group 6A (VI) will form a: Oxygen, a nonmetal in Group 6A (VI) will form a 2. Barium, a metal in Group 2A (II) will form a: Barium, a metal in Group 2A (II) will form a 3. Aluminum, a metal in Group 3A (III) will form a: Aluminum, a metal in Group 3A (III) will form a 4. Rubidium, a metal in Group 1A (I) will form a: Rubidium, a metal in Group 1A (I) will form a 5. Phosphorous, a nonmetal in Group 5A (V) will form a: Phosphorous, a nonmetal in Group 5A (V) will form a 6. Bromine, a nonmetal in Group 7A (VII) will form a: Bromine, a nonmetal in Group 7A (VII) will form a Column B a.3+ ion by losing 3 valence electrons. b.1+ ion by losing 1 valence electron. c.1- ion by gaining 1 valence electron. d.2+ ion by losing 2 valence electrons. e.2- ion by gaining 2 valence electrons. f.3- ion by gaining 3 valence electrons.
1. Oxygen, a nonmetal in Group 6A (VI) will form a: 2- ion by gaining 2 valence electrons.
2. Barium, a metal in Group 2A (II) will form a: 2+ ion by losing 2 valence electrons.
3. Aluminum, a metal in Group 3A (III) will form a: 3+ ion by losing 3 valence electrons.
4. Rubidium, a metal in Group 1A (I) will form a: 1+ ion by losing 1 valence electron.
5. Phosphorous, a nonmetal in Group 5A (V) will form a: 3- ion by gaining 3 valence electrons.
6. Bromine, a nonmetal in Group 7A (VII) will form a: 1- ion by gaining 1 valence electron.