Question

in the periodic table the elements are arranged in the periods following the which principle​

Answer 1

(i think the question is incomplete but anyway,)

ans-

increasing atomic no.

Answer 2

Answer:

(Heya, I think ur ques is incomplete)

But ur answer is:

Increasing Atomic no. (Z)

Explanation:

when we go from left to right in a periodic table, the atomic no. of elements increases by +1