What is the fundamental difference between Mendeleev's periodic law and the modern periodic law?

  • A
    Mendeleev's law is based on atomic mass,while the modern law is based on atomic number.
  • B
    Mendeleev's law is based on atomic number,while the modern law is based on atomic mass.
  • C
    Both are based on atomic mass.
  • D
    Both are based on atomic number.

Explore More

Similar Questions

In the Lothar Meyer curve,the descending position (next to the peak) is held by which of the following?

$Li, Na, K$ form a Dobereiner's triad. If the atomic masses of $Li$ and $K$ are $7$ and $39$ respectively,what will be the atomic mass of $Na$?

Mendeleev's periodic law is based on

Whose name is not associated with the development of the Periodic Table?

"The properties of elements are periodic functions of their atomic weights." This periodic law was given by

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo