Chemistry, asked by saanvithafamily123, 10 days ago

Which of the following is not a defect of Mendeleev’s periodic table.
A
No separate position given for isotopes
B
No separate group for lanthanides
C
Corrected atomic weight of Beryllium
D
Anomalous pairs

Answers

Answered by vsrawat0803
0

Answer:

No seperate group for lanthanides

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