Question

on what basis does elements classify?​

Answer 1

Answer:

After the development of atomic theory and determination of the atomic masses of a large number of elements, attempts were made to classify the elements on the basis of atomic mass. Dobernier was the first to correlate the properties of elements with their atomic masses.

Explanation:

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Answer 2

Answer:

Elements are typically classified as either a metal or nonmetal, but the dividing line between the two is fuzzy. Metal elements are usually good conductors of electricity and heat. The subgroups within the metals are based on the similar characteristics and chemical properties of these collections.