demerit of Mendeleev periodic table
Answers
Answered by
0
Answer:
i) Position of Hydrogen
ii) Position of Cobalt and Nickel
iii) Position of Isotopes
Explanation:
please mark brainliest
Answered by
3
Answer:
he didn't arranged all the heavier atoms
he didn't give a space for noble gas
further discovery of gases leads to many problem
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