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Lanthanum is...

Lanthanum is

A

s-block elements

B

p-block elements

C

d-block elements

D

f-block elements

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The correct Answer is:
C
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VK JAISWAL-PERIODIC PROPERTIES-Level 2
  1. Which of the following ions is most unlikely to exist?

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  2. A,B and C are oxides of elements X,Y and Z respectively. X,Y and Z are...

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  3. Lanthanum is

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  4. If the aufbau principle had not been followed, Ca (Z=20) would have be...

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  5. What is the atomic number of the element with the maximum number of u...

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  6. The electronic configuration of four elements are: (I) [Kr]5s^(1) ...

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  7. If period number and grou number of any representative element(s) are ...

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  8. How do the energy gaps between successive electron energy levels in a...

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  9. Properties of the alkaline earth metals that increase from Be to Ba in...

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  10. which of the following is the incorrect match for atom of element?

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  11. The set representing the correct order of ionic radius is : a)Na^(+) g...

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  12. In which of the following pair, both the species are isoelectronic but...

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  13. Increasing order of ionic size : N^(3-),Na^(+),F^(-),O^(2-),Mg^(2+)

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  14. The order of increasing ionic radius of the following is:

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  15. If the ionic radii of each K^(+) and F^(-) are 1.34Å, then tha atomic ...

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  16. Incorrect order of ionic size is:

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  17. X((g)) to X((g))^(+) +e^(-), " "DeltaH=+720kJ" "mol^(-1) C...

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  18. Consider the following changes :- M((s)rarrM((g))" ""....."(a) ...

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  19. The correct order of second ionisation potential of C, N, O and F is:

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  20. Which is the correct order of ionisation energies ?

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