Question

what was the basis of classification of mendeleev​

Answer 1

Answer:

Mendeleev in 1869 classified the 56 elements. This classification is based on physical and chemical properties. Another basis is upon atomic masses. The elements are arranged in increasing order of the atomic masses.

Explanation:

please mark as brainliest

Answer 2

Answer:

elements in different groups are lumped together in of three classes, depending on their properties.

the classes are, metals, non metals and metalloids.

#purple you armys