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What are the charge and mass of an elect...

What are the charge and mass of an electron?

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IF the charge of electron c , mass of electron m, speed of light in vaccum c and Planck's constant h are taken as fundamental quantities. Then the permeability of vaccum mu_0 can be expressed as

NCERT TELUGU-ATOMIC STRUCTURE-I-QUESTIONS (C. WRITE IN ONE OR TWO SENTENCE)
  1. How many orbitals are there in the second orbit? How are they designat...

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  2. Sketch the shape of s and p-orbital indicating the angular distributio...

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  3. What are the charge and mass of an electron?

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  4. What is an orbital ?

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  5. Give the order of filling of electrons in the following orbitals 3p, 3...

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  6. What is meant by principal quantum number?

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  7. How many protons and neutrons are present in""(8)^(18 )O?

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  8. What are the particles generally present in the nuclei of atoms?

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  9. The atomic mass of an element is 24 and its atomic number is 12. Show ...

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  10. How will you experimentally distinguish between a ray of neutron and r...

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  11. What is the principal defect of Bohr's atomic model?

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  12. Write the complete symbol for : (a) The nucleus with atomic number 56 ...

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  13. An atomic orbital has n = 3. What are the possible values of l ?

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  14. An atomic orbital has l= 3. What are the possible values of m?

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  15. The electronic configuration of chromium (Z=24) is

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  16. Which energy level does not have p-orbital?

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  17. An atom of an element has 19 electrons. What is the total number of p...

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  18. How many electrons can have s+ ½ in a d-sub-shell?

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  19. Write the values of l and m for p-orbitals

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  20. Which quantum accounts for the orientation of the electron orbital?

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