Question

what is elements number of Unnilquadoum in 'The Periodic Table' ...​

Answer 1

Explanation:

modern periodic table

18 group s and 7 periods

transition element are given separate place

Insert gases are present in separate group

Lanthanides and actinides are at bottom of periodic table

Group number and period number can predicted from its electronic configuration

Answer 2

Answer:

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged.

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