9/16/2023 0 Comments Electron configuration ns2 np3Since atomic radius increase from right to left and top to bottom Įnergy required to remove an electron from atoms or ions is called ionization energy. We first find the locations of elements in periodic table.ġ1Y:1s 22s 22p 63s 1 3. Since number of shells increase in same group from top to bottom, attraction of electrons by protons decrease and atomic radius increase.Įxample: Find relation between atomic radius of elements 3X, 11Y and 5Z. On the contrary, in same group, as we go from top to bottom, atomic radius of elements increase. Reason is that atomic number of elements increase from left to right in same period, thus increase in the number of protons causes increases in attraction of electrons by protons. ![]() Periodic Properties of Elements with ExamplesĪtomic radius of elements decreases as we go from left to right in periodic table.
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