Which is bigger in size na(11) or k(19)? Why?
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Answered by
31
size of na(11) is bigger because as we know that when we move from left to right in the periodic table the atomic size decreases because as the number of shells remains same but the number of electrons increase and therefore there in more attractive force on the outer electron increases so it becomes smaller.
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Answered by
4
Answer:Na (11)
Explanation:because when we move left to right in periodic table atomic size decreases due to effective nuclear charge increases.
In a group from top to bottom atomic size increases
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