Question

(9. Use Mendeleev's Periodic Table to predict the formula
(a) hydrides of carbon and silicon
(b) oxides of potassium, aluminium and barium​

Answer 1

Answer:

K is in 1st group. Therefore, the oxide will be K20.

Al is in group 3rd . Therefore, oxide will be Al2O3.

Ba is in group 2 Nd . Therefore, oxide Will be Bao

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