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Which of the following represents elements in increasing order of their atomic size ? 

Option: 1

I , Br , Cl 


Option: 2

N, O ,F 


Option: 3

Be , Mg , Ca 


Option: 4

Se , S ,O 


Answers (1)

best_answer

As we have learned

Vander Waals Radius -

It represents the overall size of the atom which includes its valence shell in a non- bonded situation.It is half the distance between two similar atoms in separate molecules in a solid.Vanderwaals radius > metallic radius > covalent radius.

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 Atomic size increases as we move down in a group 

 

Posted by

Ritika Jonwal

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