Explain one merit and two demerits of Mendelees
Periodic Classification
Answers
Answer:
The main differences are: the periodic table of Mendeleev is based on atomic mass. The current periodic table is based on the number of atoms. Noble gasses (as they are not found at that time) were not included in Mendeleev's periodic table. In Modern periodic table noble gasses in a separate group called group-18.
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Answer:
The main differences are: the periodic table of Mendeleev is based on atomic mass. The current periodic table is based on the number of atoms. Noble gasses (as they are not found at that time) were not included in Mendeleev's periodic table. In Modern periodic table noble gasses in a separate group called group-18.
Explanation:
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