Science, asked by PSAAWORD, 1 year ago

Demerits of periodic table


Anonymous: modern

Answers

Answered by Anonymous
1
Hydrogen resembles both the alkali metals and halogens But it has been placed with the alkalis

I know only one
Answered by Debprotim27
2
•(1.) Hydrogen resembles both the alkali metals and halogens But it has been placed with the alkalis.


•(2.) The lanthanides and actinides have not been placed in the main body of the table.


•(3.) Place of Multivalent elements is not sure in the modern periodic table.
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