Question

give a brief discussion of the mendeleev's classification of the elements?​

Answer 1

Explanation:

As defined in classic philosophy, an axiom is a statement that is so evident or well-established, that it is accepted without controversy or question. ... Any axiom is a statement that serves as a starting point from which other statements are logically derived

Answer 2

Answer:

Mendeleev arranged all the known elements (63 at that time) in horizontal rows and vertical columns in order of increasing atomic masses in the form of table known as Periodic table. ... Group VIII consists of three sets, each containing three elements.