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प्रश्न
Give one major drawback of Dalton's atomic theory of matter.
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उत्तर
Dalton's atomic theory states that atoms are indivisible; however, under special circumstances, atoms can be further divided into smaller particles called electrons, protons and neutrons. So, atoms are made of subatomic particles into which they can be broken or divided.
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संबंधित प्रश्न
Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier ?
Name any two laws of chemical combination.
State the law of constant proportions. Give one example to illustrate this law.
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 have more or less electrons than the normal atoms ?
What do we call those particles which have less electrons than the normal 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.
State the law of constant proportions.
