Question

what is period what is period what is period​

Answer 1

Answer:

chemical bonding: Arrangement of the elements. The horizontal rows of the periodic table are called periods. Each period corresponds to the successive occupation of the orbitals in a valence shell of the atom, with the long periods corresponding to the occupation of the orbitals of a d subshell.

Answer 2

Answer:

An event that occurs at regular intervals of time is called periodic .

Explanation: