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Who contributed in the development of the periodic table?

  1. A
    Gregor Mendel
  2. B
    J J Thomson
  3. C
    Isaac Newton
  4. D
    Dmitri Mendeleev

Solution & Step-by-step Explanation

Dmitri Mendeleev formulated the Periodic Law and created the first widely recognized Periodic Table of elements in 1869.
He arranged the chemical elements in increasing order of their atomic weights, leaving intentional gaps for elements that had not yet been discovered.

Gregor Mendel is known for genetics, J.J. Thomson discovered the electron, and Isaac Newton formulated the laws of motion and universal gravitation.

Practice this question

Try it yourself before checking the explanation above.

Who contributed in the development of the periodic table?
A
Gregor Mendel
B
J J Thomson
C
Isaac Newton
D
Dmitri Mendeleev

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