Question

The classification of elements as per which of the following laws has shown the periodicity

of elements for the first time?

(A) Dobereiners law of triads (B) Mendeleev’s periodic law

(C) Newland’s law of octaves (D) Modern periodic law​

Answer 1

Answer:

all of them showed at a particular element properties of periodicity the first one shows after 3 elements the option c shows periodicity after 8 elements and modern table is the father of all periodic table