Maintain three different between morden periodic table and mendeleevs

1.	Maintain three different between morden periodic table and mendeleevs periodic table?
Answer» \tMendeleev\'s periodic tableModern periodic table1. Mendeleev\'s periodic table is based on atomic mass1. Modern periodic table is based on atomic number2. Mendaleev\'s periodic table contains about 66 elements2. Modern periodic table contains about 112\xa0elements3. In Mendeleev\'s periodic table there were gaps for undiscovered elements.3. Modern periodic table maintains uniformity.4. In Mendeleev\'s periodic table noble gases were not placed (as they are not discovered at that time).4. In Modern periodic table noble gases in a seperate group named as group-18.5. In Mendeleev\'s periodic table transition elements included with other elements5. In Modern periodic table transition elements placed in separate block.\t\xa0

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