Question

State the correlation of a period number with the elements of that period

Answer 1

Answer:

The atoms of different elements which have the same number of occupied shells are placed in the same period. A period indicates the principal quantum number of the outermost shell of an element. The atomic number increases by one unit on moving from left to right in a period.

Explanation:

Answer 2

The atoms of different elements which have the same number of occupied shells are placed in the same period. A period indicates the principal quantum number of the outermost shell of an element. The atomic number increases by one unit on moving from left to right in a period.