Which of the following biomes is associated with a mediterranean climate?

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#Question id: 19864

#XL - P Chemistry

If the energy of electron in H atom is given by expression, − 1312/n² kJ mol^-1, then the energy required to excite the electron from ground state to second orbit is

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#Question id: 19930

#XL - P Chemistry

In the atomic spectrum of hydrogen, the spectral lines pertaining to electronic transition of

n = 4 to n = 2 refers to

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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

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#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