atomic character down the group and atomic character across the period.....fast.....
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atomic size down the group increases
left to right in a period increase b'coz nuclear charge in period becomes large
left to right in a period increase b'coz nuclear charge in period becomes large
ayushsingh2904:
is it useful for u
not really
no it decreases from left to right in a period due to effective nuclear pull
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As we go down the group the size of the atom increases as the number of shells is added in every step.
On moving from left to right in a period the size of the atom decreases.
On moving from left to right in a period the size of the atom decreases.
and what could be the reason for across the period...
There is no specific reason for that. But yes we can say that on moving from left to right in a period the size of the atom decreases along with which the size of atomic radius of elements also decreases.
okay.... thanks.... it helped me a lot...
Your welcome.
in a period why atomic size decreases
This is because,within a period or family of elements,all electrons are added to the same shell. However,at the same time protons are being added to the nucleus,making it more positively charged.
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