1. Tardigrade
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  3. Chemistry
  4. The trivalent ion having largest size in lanthanide series is:

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Q. The trivalent ion having largest size in lanthanide series is:

Punjab PMETPunjab PMET 2004The d-and f-Block Elements

Solution:

The trivalent ion having largest size in lenthanide series is lanthanum. This is due to lanthanide contraction.