Please solve the question given in the description

Asked by mac12303190 | 14th Feb, 2010, 10:49: PM

Expert Answer:

Demerits of modern periodic table

1)Hydrogen resembles both the alkali metals and halogens. But it has been placed with the alkali metals

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

Answered by  | 15th Feb, 2010, 08:57: AM

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