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
Which postulate of Dalton’s atomic theory can explain the law of definite proportions?
When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 3.00 g of carbon is burnt in 50.00 g of oxygen? Which law of chemical combinations will govern your answer?
Give one major drawback of Dalton's atomic theory of matter.
State the law of constant proportions. Give one example to illustrate this law.
In water, the proportion of oxygen and hydrogen by mass is :
What do we call those particles which have more or less electrons than the normal atoms ?
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
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
