Question

explain the difference of modern and mandleef periodic table ​

Answer 1

Explanation:

The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. ... According to Mendeleev's, the isotopes with different atomic weights, should be placed in different positions, but are not given any position and no justified reason was explained

Answer 2

Answer:

The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. ... According to Mendeleev's, the isotopes with different atomic weights, should be placed in different positions, but are not given any position and no justified reason was explained.