What happens to the number of valence electrons in atoms of elements as we go down a group in the periodic table?

Increases

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Decreases

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Same

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None of these

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Solution

The correct option is B Same
As we move from top to bottom in a group, the number of valence electrons remains same because a group is defined such that their valence shell configuration is same. Hence, valence electrons remain same but valence shell changes.

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Similar questions

What happens to number of valence electrons in atoms of elements as we go down a group of the periodic table ?

(a) What are the usual number of valence electrons and valency of group 18 elements of the periodic table?

(b) What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?

Fill in the blanks in the following statements :

(a) The horizontal rows in a periodic table are called .............

(b) In going across a period (right to left) in the periodic table, the atomic size of the atom .............

(d) When we down in a group in the periodic table, the metallic character of elements ..............

(e) The tendency to gain an electron ................ on moving down in a group of the periodic table.

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