The total number of orbitals in a shell with principal quantum number ‘n’ is

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#Question id: 19931

#XL - P Chemistry

When electronic transition occurs from higher energy state to a lower energy state with energy difference equal to ΔE electron volts, the wavelength of line emitted is approximately equal to

TLS Online TPP Program

#Question id: 19932

#XL - P Chemistry

If ionising energy of H atom is 13.6 eV, then the second ionising energy of He should be

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#Question id: 19933

#XL - P Chemistry

The first line in the Balmer series in the H atom will have the frequency

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#Question id: 19934

#XL - P Chemistry

The orbital configuration of 24Cr is 3d⁵4s¹. The number of unpaired electrons in is

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#Question id: 19935

#XL - P Chemistry

How many electrons in 19Khave n = 3; l=0 ?

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#Question id: 19936

#XL - P Chemistry

The maximum number of electrons in s, p and d-subshells are