Question

. 13. What are inner transition elements ? Write their general properties. (60word)
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Answer 1

Answer:

An inner transition metal (ITM) of chemical elements on the periodic table. They are normally shown in two rows below all 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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