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In which group all the elements do not h...

In which group all the elements do not have same number of valence electrons?

A

Zero

B

First

C

Second

D

Seventh

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The correct Answer is:
A
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The group in the modern periode table, in which all the elements do not have same number of electrons in their valence shell is :

The element which has the maximum number of valence electrons is:

Assertion: Elements belonging to the same group show similarity in chemical properties. Reason: Elements of the same group have same number of valence electrons.

Which one of the following elements exhibit maximum number of valence electrons?

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