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The modern periodic table is based on:- ...

The modern periodic table is based on:- variation of densities, variation of electronic structure, variation of melting point, variation of size of atoms

A

variation of densities

B

variation of electronic structure

C

variation of melting point

D

variation of size of atoms

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The correct Answer is:
B
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V PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  3. The modern periodic table is based on:- variation of densities, vari...

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  6. Which is the correct order with réspect to the first ionisation potent...

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  7. The electronegativity of elements from left to right in a period of pe...

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  8. Which element has smallest size?

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  9. The family of elements with the highest ionisation enthalpy:

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  10. Which of the following has largest negative electron gain enthalpy?

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  11. Which one of the following elements belongs to the family of elements ...

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  12. The anion O^- is isoelectronic with N^(2-), F^-, N^(3-), ...

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  13. Which of the following is not a transition metal? Silver, Lead, Tun...

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  14. The ionic size of Na^+, Mg^(2+), Al^(3+) and Si^(4+) follows the order...

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  15. Amongst the following elements (where electronic configurations are gi...

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  16. The penetration of the electrons in any principal shell varies as: sg...

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  17. Which of the following oxide is most acidic?

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  18. element, Meitnerium '(Z=109)' belongs to :

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  19. Which one of the following processes proceeds with the absorption of e...

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  20. Which of the following statement is, correct?

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