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Identify the correct statement...

Identify the correct statement

A

Filling of 5d orbital begins with Hf in 5th period

B

Filling of 4f orbital begins with Ce in 6th period

C

Filling of 5d orbital begins with La in 5th period

D

Filling of 4f orbital begins with La in 6th period

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PERIODIC PROPERTIES-LEVEL -I (EAMCET) EXERCISE -IV
  1. Maximum oxidation state (+8) is exhibited by

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  2. An element has nine positive charges in its nucleus. Its common oxidat...

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  3. An element with electronic arrangement as 2, 8, 18, 1 will exhibit the...

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  4. Basic nature of the oxides of a period from left to right

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  5. Oxide that is most acidic

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  6. Generally the nature of the non-metal oxides is

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  7. The outermost electronic configuration of most electropositive element...

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  8. The most electropositive element is

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  9. The tendency of an element to lose an electron is called

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  10. Nature of Sb4O6 is

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  11. Chemical similarity between B and Al is due to

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  12. Pair of ions with similar ionic radii

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  13. Among the following pairs of elements, the pair that is different from...

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  14. Some statements are given regarding nature of oxides (i) In second ...

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  15. When an atom of an electronegative element becomes anion, which of the...

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  16. On going down a main subgroup in the periodic table (example Li to Cs ...

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  17. Identify the correct statement

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  18. Identify the correct order in which the ionic radius of the following ...

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  19. The atomic radius decreases in a period due to

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  20. Among the following, the number of elements showing only one non-zero ...

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