Question

Q10. What are lanthanoids and actinoids called.. *

(a) Inner transition elements

(b) noble gases

(c) normal elements

(d) Transition elements

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Answer 1

Answer:

Inner Transition Elements present in the

middle of the periodic table

Answer 2

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What are lanthanoids and actinoids called ?

• Inner Transition Elements
• Noble Gases
• Normal Elements
• Transition Elements

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(a) Inner Transition Elements

→The two rows separated from the rest of the periodic table are called the inner-transitional metals.

→They include the lanthanoids and actinoids.

→Lanthanoids include elements 58-71 and actinoids include elements 90-103.

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