Question

write any two limitations of mendeleev's periodic table​

Answer 1

Answer:

1.Elements with large differences in properties were included in the same group. for example, hard metals like copper and silver were included along with soft metals like sodium and potassium.

2.No proper position could be given to the element hydrogen. In the periodic table, the location of hydrogen is uncertain. It was put with alkali metals within 1A class, but certain hydrogen properties are close to those of halogens. So, it can also be put for halogens in the band.

Answer 2

Answer:

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Explanation:

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