Question

Write down live major diferences between Mendelcev periodic table and inodem periodic iablu. ​

Answer 1

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Answer 2

Explanation:

• mendeleev periodic table: Mendeleev's periodic table orders the elements based on their atomic weight.
• Mendeleev's periodic table had gaps for the missing elements at that time.
• Mendeleev's periodic table has 8 vertical columns called groups and 12 horizontal rows called periods.
• Mendeleev's periodic table has elements with dissimilar properties in the same group sometimes.
• Mendeleev periodic table doesn't support the fact of the existence of isotopes.

• modern periodic table:
• Modern periodic table orders the elements based on their atomic number.

•Modern periodic table has no concept as such.

Modern periodic table has 18 columns called groups and 7 rows called periods.

Modern periodic table's elements have similar properties repeated at regular intervals.

Modern periodic table supports this fact as the classification is based upon the atomic number.