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An electron jumps from nth level to the...

An electron jumps from nth level to the first level .The correct face (s) about H atomic is//are

A

Number of spectrum lines `= (n(n-1))/(2)`

B

If `n = 4`number of spectrum lines `= 6`

C

Number of spectrum lines `= (n(n-1))/(2)`

D

If `n = 4` number of spectrum lines `= 10`

Text Solution

Verified by Experts

a.Correct
b. correct`(4(4-1))/(4) = 6`
c. and d are wrong
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CENGAGE CHEMISTRY-ATOMIC STRUCTURE-Concept Applicationexercise(4.3)
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  2. How many quantum number are needed in designate an orbital ? Name the...

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  3. The principal quantum number of n of an atomic orbitals is 5 what are ...

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  4. The azimathal quantum number l of an arbital is 3 what are the possi...

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  5. What is the lowest value of n that allows g orbitals to exist?

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  6. Given the notation for the sub-shell deotected by the following quant...

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  7. How many electron on a fully filled l sub-shell have m(1) = 0 ?

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  8. An electron is in one of this electrons

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  9. If the largest value ofm(1) for an electron is + 3 in what type of su...

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  10. Explain , giving reason , which of the following sets of quantum numbe...

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  11. How many electron in an atom may have the following quantum number ? A...

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  12. How many orbitals are possible in a. 4th energy level b. 5f sub-she...

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  13. What are the possible value of m(1) for the different orbital of a....

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  14. What is the shape 2s orbital .Give two9 point of difference between 1...

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  15. a. How many sub-shell are associated with n = 4? b. How many electr...

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  16. How many spectrical nodal syrface are there in a. a 3s orbital b. a...

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  17. The principal quantum number representwsw

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  18. The energy of an electron of 2p(1) orbital is

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  19. The orbital angular momentum of an electron of an electron in 2s orbit...

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  20. The number of nodals plates of zeroelectron density in the d(xy) orbit...

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