The Inner Transition elements are classified as __________.

Lanthanides and Actinides

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Metals and Non-metals

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Both A and B

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None of these

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Solution

The correct option is A Lanthanides and Actinides
They are normally shown in two rows below all of the other elements. They include elements $57 - 71$ (lanthanides) and $89 - 103$ (actinides). The lanthanides are very similar, and the actinides are all radioactive.

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The Inner Transition elements are classified as __________.

The correct option is A Lanthanides and ActinidesThey are normally shown in two rows below all of the other elements. They include elements 57−71 (lanthanides) and 89−103 (actinides). The lanthanides are very similar, and the actinides are all radioactive.

The correct option is A Lanthanides and Actinides
They are normally shown in two rows below all of the other elements. They include elements $57 - 71$ (lanthanides) and $89 - 103$ (actinides). The lanthanides are very similar, and the actinides are all radioactive.