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If the aufbau principle had not been fol...

If the aufbau principle had not been followed, Ca (Z=20) would have been placed in the:

A

s-block

B

p-block

C

d-block

D

f-block

Text Solution

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The correct Answer is:
C
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VK JAISWAL ENGLISH-PERIODIC PROPERTIES-Level 2
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  2. Lanthanum is

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

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

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

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

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  7. How do the energy gaps between successive electron energy levels in an...

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

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

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

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

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

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

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  15. Incorrect order of ionic size is:

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

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

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  18. The correct order of second ionisation potentials of carbon, nitrogen,...

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  19. Which is the correct order of ionization energies?

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  20. Which of the following statements is incorrect?

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