1.

Actinodcontractionis greaterfrom elementto elementthan thelanthanoidcontraction, why ?

Answer»

SOLUTION :Actinoidcontractionis greaterthanelementto elementthanlanthanoidcontraction. Thesesf ORBITALS have a poorershieldingeffectthan4forbitals . Thusthe effectivenuclearchangeexperiencedby ELECTRONSIS muchmore THANTHAT experiencedby LANTHANOID .Soactinoidshowgreatercontraction.


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