Which of the following remains unchanged in descending down 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 A Valence electrons
The number of valence electrons in a group is always same.
For example the first group elements all have one valence electron.
The second group elements have two valence electrons etc.

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Similar questions

Metallic character ___ down a group in a periodic table.

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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