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Who made the new periodic table?

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Who made the new periodic table?

Posted by Rutaja Singh 4 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Pavi Pandey 4 years, 3 months ago

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them. In 1886 French physicist Antoine Bequerel first discovered radioactivity.

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