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Answer the following:1. How could the modern periodic table remove various anomalies of Mendeleev’s periodic table?2. In the modern periodic table, which are the metals, non-metals and metalloids among the first twenty elements?3. What are the demerits of Mendeleev’s periodic table?4. Define atomic size. How does it vary in a period and in a group?

Answer»

Answer the following:



1. How could the modern periodic table remove various anomalies of Mendeleev’s periodic table?



2. In the modern periodic table, which are the metals, non-metals and metalloids among the first twenty elements?



3. What are the demerits of Mendeleev’s periodic table?



4. Define atomic size. How does it vary in a period and in a group?





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