Question : ________ is the father of the modern periodic table.
Option 1: J. J. Thomson
Option 2: Ernest Rutherford
Option 3: John Newland
Option 4: Dmitri Mendeleev
Correct Answer: Dmitri Mendeleev
Solution : The correct option is Dmitri Mendeleev .
Dmitri Mendeleev is considered the father of the modern periodic table. Mendeleev, a Russian chemist, published his version of the periodic table in 1869, arranging elements based on their atomic mass and properties. His table predicted the properties of undiscovered elements and left gaps for them, which later proved to be remarkably accurate when those elements were discovered.
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