Advertisements
Advertisements
प्रश्न
What do we call those particles which are formed by the gain of electrons by atoms ?
Advertisements
उत्तर
Particles formed by the gain of electrons are called anions.
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?
Name the scientist who gave law of constant proportions.
Which part of the Dalton's atomic theory came from the law of constant proportions given by Proust ?
Which postulate of Dalton’s atomic theory can explain the law of constant proportions ?
The atomic theory of matter was proposed by :
What do we call those particles which are formed by the loss of electrons by atoms ?
Work out the formulae for the following compounds :
Sodium oxide
Two samples ‘m’ and ‘n’ of slaked lime were obtained from two different reactions. The details about their composition are as follows:
- ‘sample m’ mass: 7g
- Mass of constituent oxygen: 2g
- Mass of constituent calcium: 5g
- ‘sample n’ mass: 1.4g
- Mass of constituent oxygen: 0.4g
- Mass of constituent calcium: 1.0g
Which law of chemical combination does this prove? Explain.
Ruthresh, Hari, Kanishka, and Thahera collected different samples of water from a well, a pond, a river, and underground water. All these samples were sent to a testing laboratory. The test result showed the ratio of hydrogen to oxygen as 1:8.
- What conclusion would you draw from the above experiment?
- Which law of chemical combination does it obey?
