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Name the three sub-atomic particles of a...

Name the three sub-atomic particles of an atom.

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**Step-by-Step Text Solution:** 1. **Identify the Subatomic Particles**: An atom is composed of three main subatomic particles. 2. **Name the First Particle**: The first subatomic particle is the **electron**. Electrons are negatively charged particles that orbit the nucleus of the atom. 3. **Name the Second Particle**: The second subatomic particle is the **proton**. Protons are positively charged particles located in the nucleus of the atom. ...
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NCERT ENGLISH-STRUCTURE OF THE ATOM -All Questions
  1. On the basis of Rutherford's model of an atom, which subatomic particl...

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  2. What do you think would be the observation if the alpha-particle scatt...

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  3. Name the three sub-atomic particles of an atom.

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  4. Helium atom has an atomic mass of 4 u and two protons in its nucleus. ...

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  5. Write the distribution of electrons in carbon and sodium atoms.

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  6. If K and L shells of an atom are full, then what would be the total nu...

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  7. How will you find the valency of chlorine, sulphur and magnesium ?

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  8. If number of electrons in an atom is 8 and number of protons is also 8...

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  9. For the symbol H,D and T tabulate three sub-atomic particles found in ...

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  10. Write the electronic configuration of any one pair of isotopes and iso...

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  11. Compare the properties of electrons, protons and neutrons.

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  12. What are the limitations of J.J. Thomson’s model of the atom?

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  13. Describe Rutherford atom model. What are the drawbacks of this model?

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  14. What are the postulates of Bohr's model of an atom?

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  15. Summarise the rules for writing of distribution of electrons in variou...

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  16. Define valency by taking examples of silicon and oxygen.

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  17. Explain with examples (i) Atomic number, (ii) Mass number, (iii) Isoto...

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  18. Na^(+) has completely filled K and L shells. Explain.

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  19. Calculate the atomic mass (average) of chlorine using the following da...

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  20. A sample of oxygen atoms contain only .(8)O^(16) and .(8)O^(18) isotop...

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