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प्रश्न
Define the Atom.
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उत्तर
An atom is the smallest part of an element that takes place in a chemical reaction.
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संबंधित प्रश्न
Why are liquids and gases called as fluids.
State whether the following statement is True or False:
Only water can exist in three different states
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
What are molecules?
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated?
Write true or false for the statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Multiple choice question.
Which one is a kind of matter:
Give two examples.
Solid element
Describe simple experiment to show that particles of matter have the intermolecular attraction
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
