Why Modern periodic table is less defective than mendelevs table.?
Give two reason.
Answers
HELLO!
=> The modern periodic table is based on atomic numbers, whereas Mendeleev's periodic table was based on atomic masses.
=> In Mendeleev's periodic table, there were no place for isotopes (as they had different mass numbers). The modern periodic table has solved this problem.
=> Mendeleev was unable to explain the unexpected order of some elements according to their atomic masses, which the modern periodic table has solved.
To be brief, the Modern periodic table has got over many demerits of the Mendeleev's periodic table, even though some drawbacks in the modern periodic table still exist.
Thanks!
Answer:
☆Reason 1:-Problem regarding Position of isotopes is resolved.
☆ Reason 2:-Problem of position of Cobalt and Nickel is resolved whigh were placed wrongly in mandeelev periodic table. Reason 4:-Blank spaces which were there in mandeelev periodic table are no more vacant now.