Question

Hola Brainlians!!!

Explain the defects of Modern periodic table .

Class - 10th
Chapter - Periodic classification of elements.

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Answer 1

Answer:

1. hydrogen resembles to both alkali metals group 1 and halogens grp.17
2. postion of isotope
3. elements with dissimilar properties are placed together
4. for ex. boron was placed before beryllium

Answer 2

Answer:

Hello

Answer is =

Defects of modern periodic tables are given below ⬇️

• Position of hydrogen still dicey. It is not fixed till now.
• Position of lanthanides and actinides has not been given inside the main body of periodic.
• It does not reflect the exact distribution of electrons of some of transition and inner transition.

Hope it helps !

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