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Which pair of elements has same chemical...

Which pair of elements has same chemical properties ?

A

Z=13, Z=22

B

Z=3, Z=11

C

Z=4, Z=24

D

Z=2, Z=4

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -A)
  1. Which pair of elements shows positive elecron gain enthalpy ?

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  2. The elements of same group of the periodic table have

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  3. Which pair of elements has same chemical properties ?

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  4. Write the atomic number of the element present in the third period and...

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  5. Chalcogen are elements of the group

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  6. Which of the following shows diagonal relationship ?

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  7. What are representative elements?

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  8. Which group of elements represents a collection of isoelectronic speci...

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  9. Which of the following electronic configuration represents the most me...

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  10. The group of elements in which the last electron is present the anti-p...

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  11. Which general electronic configuration of the element does not represe...

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  12. Find the incorrect statement.

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  13. The effective nuclear charge across the period (from left to right)

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  14. Which electronic configuration of an element has abnormally high diffe...

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  15. Which of the following has the highest negative electron gain entahlpy...

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  16. The outermost electronic configuration of the most electronegative ele...

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  17. Match the elements given in column (I) with the most appropriat expect...

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  18. Electronegativity of the elements O,F,S and Cl increases in the order

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  19. Valence electrons in the atom of element A is 4 and in the element B i...

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  20. Which orbital diagram gives an insight ionization energy ?

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