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Valency

What is the v...

Question

What is the valency of the group 18 elements in the modern periodic table?

A

1

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B

2

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C

3

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D

0.0

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Solution

The correct option is D 0.0
Group 18 of the modern periodic table is occupied by noble gases or inert gases. These elements have a completely filled outermost shell. Therefore, these gases do not have a natural tendency to react with other elements.
Valency is defined as the combining capacity of the elements. As these elements have octet structures, the valency of these elements is zero.

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