Chemistry, asked by sthasaman01, 1 year ago

what are lanthanides and actanides??

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Answered by shivani3881
2
The lanthanide are chemical elements which comprises of the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium.
The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. 
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