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The electronegativity of elements from l...

The electronegativity of elements from left to right in a period of periodic table.

A

Increases

B

Decreases

C

Remains the same

D

Changes irr(eg)ularly

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The correct Answer is:
A
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Considering the elements from left to right in the third period of the periodic table, the atomic volume of the elements:

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The statement that is not correct for the periodic classification of elements is The properties of elements are periodic functions of their atomic numbers. Non-metallic elements are lesser in number than metallic elements. Electronegativity of the elements along the period from left to right increases in a regular manner. For transition elements the d-subshells are filled with the electrons monotonically with increase in atomic number.

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How do the metallic character and non metallic character vary while moving from left to right in a period? Arriving at a conclusion by assessing the size of atom?

How many periods in the modern periodic table?

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V PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. Which is the correct order with réspect to the first ionisation potent...

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

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  4. Which element has smallest size?

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

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

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

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

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

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

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

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

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  13. Which of the following oxide is most acidic?

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

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

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  16. Which of the following statement is, correct?

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  17. Ionization enthalpy of lithium is 520 kJ mol^(-1). How much enthalpy i...

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  18. In the second period of the periodic table, ionisation enthalpy follow...

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  19. Which of the following configuration is expected to have maximum diffe...

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  20. Element with atomic number 56 belongs to which block?

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