Question

9. Write the symbols of the following elements & radicals alongwith their valencies.
a) sodium by magnesium c) chlorine (chloride) d) nitrate el sulphite f] aluminium
s/ oxygen (oxide) h) bromine [bromide) i) zinc il sulphur (sulphide] k] sulphate
I hydroxide my calcium n) carbonate ol potassium pl phosphate al iodine ſiodidel
Valency list: i) 1* i 2* il 3* iv] 1v] 2 vi] 3-
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Answer 1

Answer:

a) Na

b) Mg

c) Cl

d) No2-

e) SO3

f) Br 2+