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why mendelifs table is not fit for halogens?comment

why mendelifs table is not fit for halogens?comment
 

Grade:12th pass

2 Answers

Arun
25750 Points
4 years ago
Because the properties repeated themselves regularly, or periodically, on his chart, the system became known as the periodic table. In devising his table, Mendeleev did not conform completely to the order of atomic mass. He swapped some elements around
Vikas TU
14149 Points
4 years ago
Dear student 
Please refer the belw link 
Good Luck 

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