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Atomic and Ionic Sizes of Lanthanides

among the fo...

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among the following the energy of 2s orbital is lowest in Li,Na,H,

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Q. Among the following, the orbital that has the lowest energy is :

Q. Among the following, the orbital that has the lowest energy is________.

Q. The correct order of energy of 2s orbitals in H, Li, Na and K, is

Q. Number of correct options among the following is/are:

(a) I^{-} > B r^{-} > C l^{-} > F^{-} (Polarizability)

(b) L i^{+} > N a^{+} > K^{+} > R b^{+} (Polarization power)

(c) H_{2} O > H_{2} S > H_{2} S e > H_{2} T e (Boiling point)

(d) H_{2}^{-} > H_{2}^{+} (order of stability)

Q. Which of the following orbit has lowest energy?

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Atomic and Ionic Sizes of Lanthanides

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