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प्रश्न
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
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उत्तर
Sub-atomic particles are:
- Electrons \[\ce{_-1e}\] – present in orbit around the nucleus
- Proton \[\ce{^1_1P}\] – in nucleus
- Neutrons \[\ce{^1_2n}\] – in nucleus
APPEARS IN
संबंधित प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Name the sub-atomic particle whose charge is 0.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
What is meant by the term subatomic particles?
