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A change of Zn to Zn^(2+) is a accompani...

A change of Zn to `Zn^(2+)` is a accompanied by a decrease in:

A

Number of valence electrons

B

atomic mass

C

number of shells

D

none of these

Text Solution

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The correct Answer is:
C
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VK JAISWAL-PERIODIC PROPERTIES-ONE OR MORE ANSWERS IN/ARE CORRECT
  1. Which of the following statements concerning elements with atomic numb...

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  2. Which of the following pairs of elements have same number of electrons...

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  3. A change of Zn to Zn^(2+) is a accompanied by a decrease in:

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  4. The elements which are radioactive and have been named after the name ...

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  5. The properties which are common to both groups 1 and 17 elements in th...

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  6. There are three elements A, B and C. their atomic number are Z(1), Z(2...

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  7. Which of the following match is/are correct regarding B, Al, C and Si ...

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  8. Consider the value of all four quantum number for last electron and sp...

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  9. An element 'X' present in its ground state, the value of principal ann...

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  10. Which of the following pairs have approximately the same atomic radii?

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  11. The correct order of radiii is/are:

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  12. The first ionisation energy of first atom is greater than that of seco...

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  13. Ionization energy of an element is:

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  14. Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-),...

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  15. Select the correct order of periodic properties of species :

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  16. Select the incorrect statement(s)/order (s):

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  17. Consider the following values of I.E.(eV) for elements W and X: {:("...

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  18. The sum of IE(1) and IE(2), IE(3) and IE(4) for element P and Q are g...

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  19. Consider the successive ionisation energy for an element 'A' . IE(1) ,...

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  20. According to Slater's rule , correct order of Z("eff") on valence shel...

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