CBSE Class 9 Answered
Valencies or charges of some ions are given below:
(i) Hydrogen ion, H+ = +1
(ii) Nitride ion, N3- = 3-
(iii) Oxide ion, O2- = -2
(iv) Hydroxide ion, OH- = 1-
(v) Calcium ion, Ca+ = +1
(vi) Carbonate ion, CO32- = 2-
(vii) Sodium ion, Na+ = +1
Using the above information, write down the chemical formulae of the following:
(i) calcium nitride
(ii) Calcium hydride
(iii) Sodium carbonate
Asked by Topperlearning User | 30 Mar, 2016, 10:11: AM
Expert Answer
(i) Calcium nitride
(ii) Calcium hydroxide
(iii) Sodium carbonate
Answered by | 30 Mar, 2016, 12:11: PM
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