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Ionization energies of five elements of ...

Ionization energies of five elements of same period in kcal/mol are given below:

The element having most stable oxidation state `+2` is?

A

Q

B

R

C

S

D

T

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NARAYNA-PERIODIC TABLE -All Questions
  1. Ionization energies of five elements of same period in kcal/mol are gi...

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  2. Ionization energies of five elements of same period in kcal/mol are gi...

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  3. Ionization energies of five elements of same period in kcal/mol are gi...

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  4. Ionization energies of five elements of same period in kcal/mol are gi...

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  5. Which of the following is not an actinoid?

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  6. The electronic configuration of gadolinium (Atomic number 64) is

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  7. The statement that is not correct for periodic classification of eleme...

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  8. The period number in the long form of the periodic table is equal to

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  9. The elements in which electrons are progressively filled in 4f-orbital...

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  10. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  11. Electronic configuration of four elements p,q,r and s are given below ...

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  12. All transition elements are d-block elements, but all d-block elements...

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  13. Identify the group nad valency of the elements having atomic number 11...

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  14. Among the elements B,Al,C and Si a. Which has highest IE(1) ? b. W...

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  15. Match the correct atomic radius with the element, in the increasing or...

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  16. Match the correct ionisation enthalpies and electron gain enthalpies o...

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  17. Electronic configuration of some elements is given in Column I and the...

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  18. Which of the following elements can show covalency greater than 4?

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  19. Those elements impart colour to the flame on heating in it, the atoms ...

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  20. Which of the following sequences contain atomic numbers of only repres...

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