Question

Mention three basic differences between Medelevi's periodic law and modern periodic law ?
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Answer 1

Answer:

The major difference is that the elements in Mendeleev's periodic table were arranged by atomic mass and the modern periodic table arranges elements by atomic number. ... Mendeleev's periodic table is, based on relation of properties of elements as dependent on the atomic weight ofelement.

Answer 2

$\huge\boxed{\underline{\mathcal{\red{A } \green{N } \pink{S } \orange{W } \blue{E } \pink{R }}}}$

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