Question

why do lanthenides form a closely knit group with similar chemical and physical properties?​

Answer 1

Hey mate here is the answer

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➡The lanthanides form a closely knit group with similar chemical nd physical properties due to lanthanide contraction.

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Answer 2

Answer:

Lanthanides form a closely knit group with similar chemical and physical property because of the tightening between the lanthanides.

Explanation:

• The lanthanides have similar chemical and physical properties as they contract with each other.
• They have got unpaired electrons in the f-block in the orbit.
• The lanthanides are the paramagnetic in nature they exhibit electromagnetic properties and the primary example is the lanthanide configuration in the element.
• The main feature  of the lanthanides is the contraction they contract.
• That is  the reason the lanthanides exhibit similar physical and chemical properties.