Question

Name two elements each, whose ions have valency +1,+2 and +3 respectively.

Answer 1

Answer:

+1 = Hydrogen, Sodium, Potassium.

+2 = Calcium, Magnesium, Zinc.

+3 = Aluminium, Chromium, Ferric [Fe (III)]

Answer 2

HERE YOUR ANSWER =============================

[ +1 = HYDROGEN , SODIUM ]

[ +2 = ZINC, , CALCIUM ]

[ +3 = CHROMIUM , ALUMINIUM ]