Advertisements
Advertisements
प्रश्न
Work out the formulae for the following compounds :
Sodium oxide
Advertisements
उत्तर
Valency of Sodium = 1
Valency of Oxygen = 2

Formula for sodium oxide can be worked out by crossing the valencies of the constituent elements.
Therefore, formula for sodium oxide is: Na2O.
APPEARS IN
संबंधित प्रश्न
Name the scientist who gave law of constant proportions.
Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier ?
Which postulate of Dalton’s atomic theory can explain the law of constant proportions ?
In an experiment, 4.90 g of copper oxide was obtained from 3.92 g of copper. In another experiment, 4.55 g of copper oxide gave, on reduction, 3.64 g of copper. Show with the help of calculations that these figures verify the law of constant proportions.
What do we call those particles which have less electrons than the normal atoms ?
What do we call those particles which are formed by the loss of electrons by atoms ?
Work out the formulae for the following compounds:
Calcium carbonate
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
State the law of constant proportions.
