Science, asked by Hotspoter8442, 11 months ago

What is the main difference between Mendeleev's and modern periodic law?

Answers

Answered by vanis3940

Explanation:

he doesn't explain about hydrogen &isotopes in that periodic table they explained

Answered by Ujjwal2018

Answer:

The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. Mendaleev's periodic table contains about 66 elements.

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