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If m is an element of lanthanide series, during lanthanide contraction ?

Answer»

Lanthanide contraction consequences

Due to lanthanide contraction , the ionic SIZE from La 3+ to Lu 3+ ALONG lanthanide series GRADUALLY decreases. As a result, the COVALENT properties of lanthanide metal hydroxide compounds regularly INCREASES [according to Fajan's rule,]from lanthanum to lutetium .



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