Why Fourth Period Contains 18 Elements, Fifth Period Contains 18 Elements, Sixth Period Contains 32 Elements of Periodic Table
Explore the electronic configurations of elements in the 4th to 7th periods of the periodic table. Learn how orbitals like 4s, 3d, 4p, 4f, 5d, and 6p determine the number of elements in each period, including transition and inner transition series.
