Question

Who discovered Modern Periodic Table and in Which Year...???

Answer 1

Dimitri Mendeleev discovered the modern periodic table in 1869.

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Answer 2

✨ HEY. MATE HERE IS
your ANSWER ✨

✳Dmitri Mendeleev ✳
(Periodic table/Inventors)

✔✔Explanation:

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass.

✔ In 1886 French physicist
 Antoine Bequerel first discovered radioactivity.

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