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Find the incorrect statement....

Find the incorrect statement.

A

Valence electron and valency is same for group 1

B

p-block elements are metals, nonmetals and metalloids

C

Noble gases has 8 valence electrons except He but valency zero

D

Smallest atom of periodic table is He

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The correct Answer is:
D
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -A)
  1. The group of elements in which the last electron is present the anti-p...

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

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  3. Find the incorrect statement.

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

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

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

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

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

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

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

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  11. Which orbital diagram gives an insight ionization energy ?

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  12. The largest atomic radius will be of

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  13. The order of increasing atomic radii is

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  14. Highest amount of energy will be required for the removal of electron ...

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  15. Arrangement of atoms according to their increasing ionization energy i...

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  16. Pick the incorrect statement about the factors affecting ionization en...

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  17. What will be the correct order of size for the given elements ?

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  18. In which element the electrons will be experiencing the highest effect...

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  19. Which of the following is not a representative element ?

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  20. Correct order of 1st ionisationpotential (IP) among following elements...

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