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प्रश्न
Give one difference between atoms and molecules.
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उत्तर
Atoms may or may not have independent existance. While molecules have independent existence.
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संबंधित प्रश्न
Give reasons:
A wooden table should be called a solid.
State two characteristic properties of a solid.
What are molecules?
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
The three main states of matter are solids, liquids, and gases. Compare the three states with reference to the following characteristics of matter
(a) volume
(b) shape
(c) compressibility
(d) diffusion.
Describe simple experiments to prove that solids occupy space
Describe simple experiments to prove that liquids have mass
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
How the matter is grouped on the basis of physical states?
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
