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Observe the following statements, I. T...

Observe the following statements,
I. The physical and chemical properties of elements are the periodic functions of their electronic configuration.
II. Electronegativity of fluorine is less than the electronegativity of chlorine.
III. Electropositive nature decreases from top to bottom in a group.
The correct answer is

A

I, II and III

B

Only I

C

I and II

D

II and III

Text Solution

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The physcial and chemical properties of elements are periodic function of their electronic configuration. Electronegativity of fluorine is more than that of chlorine. Electropositive nature increases from top to bottom in a group.
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  6. A metal having electronic configuration 1s^(2), 2s^(2)2p^(6), 3s^(2)...

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  7. Which of the following orbitals are in the process of filling in the 6...

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  8. The configuration to second excited state of the element is (O) electr...

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  9. The element having atomic number 33 lies in the group

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  10. General configuration of outermost and penultimate shell is (n - 1) s^...

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  11. Generally, the valency of noble gases is

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  12. The least stable ion among the following is

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  13. The electronic configuration of an element is 1s^(2),2s^(2),2p^(6),3s^...

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  14. What will be the IUPAC name of element having Z = 106 ?

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  15. The one with the largest ionic size is

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  16. Fluorine and neon have atomic radii in angstrom given by

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  17. Which of the following alkali metals has smallest size ?

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  18. Chloride ion and potassium ion are isoelectronic. Then

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  19. Which one of the following is correct increasing order of size ?

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  20. Ionic radii vary in

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