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Question : When did Dmitri Mendeleev invent the periodic table, ordering the symbols of the chemical elements according to their atomic weights?

Option 1: 1794

Option 2: 1869

Option 3: 1890

Option 4: 1779


Team Careers360 1st Jan, 2024
Answer (1)
Team Careers360 7th Jan, 2024

Correct Answer: 1869


Solution : The correct answer is 1869.

Dmitri Mendeleev was a Russian chemist and inventor. In 1869, he created the foundation for the modern periodic table, left gaps for the elements that were yet to be discovered and arranged the elements according to their atomic weight.

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