Question

the modern periodic table has been evolved through the early atoms of the dobereiner new line and mendeleef list one advantage and one limitation of all three attempts...... name the scientist who first of all show the atomic number of an element is more fundamental property than the then its atomic mass...... state modern periodic law​

Answer 1

Dmitri Mendeleev.

Law==>>The law that the properties of the elements are periodic functions of their atomic numbers. Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.