Question

lanthanoid and actinoid are pal Ed in separate rows at the bottom of the periodic table. explain the reasons for this arrangement. why noble gases have largest atomic radii in their respective periods​

Answer 1

Answer:

1. Lanthnides and actinitides series are very long and introducing in the table would hamper and distort the shape of the periodic table..
2. Noble gases are least reactive and have very less attractive pull. as they are stable.... And hence, have largest atomic radii

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