Question

What is the formula of oxides
formed by group-ll elements as
given in Mendeleev's Periodic
Table?​

Answer 1

Answer:

Using the given general formulae; the formula of oxides and hydrides can be written for the elements of each group. For example; hydrogen, sodium, potassium, etc. belong to the first group. The general formula of oxides for the elements of 1st group is R2O.

Answer 2

Answer:

For example; hydrogen, sodium, potassium, etc. belong to the first group. The general formula of oxides for the elements of 1st group is R2O. Accordingly they form H2O, Na2O, K2O, etc.

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