Which of the following remains unchanged on descending a group in the Periodic Table?

Valence electrons

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Atomic size

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Density

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Metallic character

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Solution

The correct option is B Valence electrons
In a group, valency remains unchanged as group number remains unchanged

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Similar questions

Which one of the following does not increase while moving down the group of the periodic table?

(a) atomic radius (b) metallic character (c) valence electrons (d) shells in the atoms

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