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Please help thank you
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Please help thank you

Please help thank you-example-1
User Ivan Gerasimenko
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1 Answer

1 vote

Answer:

D. cerium

Step-by-step explanation:

Lanthanide, also called lanthanoid, any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium (atomic numbers 57–71).

User MarsPeople
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