The Electronic Configuration Of Gadolinium (At. No. 64) Is

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Question

The electronic configuration of Gadolinium (At. No. 64) is

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Solution

Correct option is

The filling of 4 f-shell begins only when one electron has already been added to 5 d-orbital.

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SIMILAR QUESTIONS

Q1

The set representing the correct order of first ionisation energy is

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Q2

The order of first ionisation energies of the elements Li, Be, B, Na is

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Q3

An element with atomic number 106 has been discovered recently. Which of the following electronic configurations will it possess?

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Q4

The ionic radius of ‘Cr’ is minimum in which of the following compounds?

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Q5

Which of the following processes involves absorption of energy?

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Q6

In which of the following compounds does the ratio of anion size to cation size has the lowest value?

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Q7

The five successive ionization energies of an element are 800, 2427, 3658, 25024 and 32824 kJ mol^–1 respectivley. The number of valence electrons is

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Q8

Which among the following species has the same number of electrons in its outermost as well as penultimate shell?

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Q9

The statement that is not correct for periodic classification of elements is

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Q10

The first ionization potential (eV) of Be and B respectively are

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