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The number of valence electrons that can...

The number of valence electrons that can be present in the second element of any period is

A

1

B

2

C

5

D

7

Text Solution

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The correct Answer is:
B
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NARAYNA-PERIODIC TABLE -All Questions
  1. The long form of periodic table is nothing but just a graphical repres...

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  2. In the sixth period, the orbitals being filled are

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  3. The number of valence electrons that can be present in the second elem...

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  4. At room temperature liquid metal and liquid non-metals are

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  5. Which of the following contains same number of elements

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  6. The statement that is false regarding the long form the periodic tabl...

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  7. Covalent bond length of chlorine molecule is 1.98A^(0). Covalent radiu...

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  8. In which of the following pairs, the first atom or ion is not large th...

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  9. The covalent radius of hydrogen is 0.37A^(0). The bond length in H(2) ...

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  10. In the isoelectronic species the ionic radii of N^(3-), O^(2-), F^(-) ...

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  11. Chloride ion and chlorine atom have

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  12. The covalent and Van der wall's radii of chlorine respectively are

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  13. The atomic radii of two elements "X" and "Y" are 0.72 A^(0) and 1.6A^(...

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  14. Among O,C,F,Cl and Br the increasing order of atomic radii is

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  15. The ionic size decreases in the order

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  16. The group of elements with highest second ionisation energy is

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  17. Which of the following transitions do represents first ionisation pote...

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  18. In a period element with large radius is a

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  19. The first, second, third and fourth, ionization potential values of an...

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  20. Ionization energy is high for

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