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Write the electronic configuration of th...

Write the electronic configuration of the elements
`(i) ._(9)^(19)F` , (ii) `._(18)^(36)Ar` , (iii) `._(16)^(32)S`
Point out the element with (a) Maximum nuclear charge ,(b) Minimum number of neutrons , (c) Maximum mass number. , (d) Maximum number of unpaired electrons.

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The correct Answer is:
(a) Ar, (b) F, (c)Ar, (d)S
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DINESH PUBLICATION-STRUCTURE OF ATOM-Problems for practice
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  2. What is the maximum number of orbitals in any energy level ?

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  3. Describe the orbital with n = 4 and l=0

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  4. Write the values of all the quantum numbers of the electron with 2s^(2...

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  5. Can we designate an orbital as 2d ?

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  6. An atomic orbital has n=3, what are the possible values of l ?

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  7. Which shell would be the first to have g sub-shell ?

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  8. List all the values of l and m(1) for n=2.

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  9. List the values of l and m(1) for n=1.

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  10. If a quantum number l has value of 2, what are the permitted values of...

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  11. What are the values of n and l for 4d orbitals ?

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  12. What is the orbital angular momentum of an electron in 2s orbital ?

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  13. What is the orbital angular momentum for an electron in d orbital ?

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  14. Compute the number of subshells for M-shell.

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  15. Which of the following represent ground state configurations and whic...

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  16. Write the values of all the four quantum numbers for the last electron...

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  17. Name the elements indicated by the following configurations : (i) 1s...

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  18. A p-sub-shell which consists of px, py and pz orbitals contains only o...

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  19. Write the electronic configuration of CI^(-) ion. To which configurati...

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  20. Write the electronic configuration of the elements (i) .(9)^(19)F ,...

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