Question

mendelives periodic table​

Answer 1

Explanation:

mendelives periodic classification is very popular yhan comparing other periodic classification. it is based on the size of an atom and atomic mass of an element

Answer 2

Answer:

Explanation:

Mendleev arranged 63 element known at that time on similarity in properties i.e. on the basis of similarities in the formulae of their oxide hydride etc.formed by these ekement .he observed that most of the element were placed in the increasing order of their atomic masses

It was also observed that there is recurrence of element with similar physical and chemical properties after a regular intervals.that is every eighth element had properties similar to that of the first