‘Atomic number is the fundamental property of an element’. Write the name of the scientist who proposed it.

The correct option is D

Moseley

Explanation for the correct option:

Moseley was the scientist who proposed fundamental property of element is atomic number.

Explanation for the incorrect option:

Bohr prepared the modern periodic table.

Newlands proposed the law of octaves.

Mendeleev proposed the periodic table based on the atomic masses.

Final answer:

Hence, option (D) is the correct option.