Question : Who invented the modern periodic table?
Option 1: Michael Faraday
Option 2: Dmitri Mendeleev
Option 3: Isaac Newton
Option 4: Niels Bohr
Correct Answer: Dmitri Mendeleev
Solution : The correct option is Dmitri M endeleev .
The chemist and inventor Dmitri Mendeleev was from Russia. He established the modern periodic table in 1869, leaving spaces for undiscovered elements. Periods are the horizontal rows in the periodic table, with metals at the very left and nonmetals at the very right. Elements with comparable chemical characteristics make up the vertical columns or groups.
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