Oct 12, 2026Discover why the second electron shell can only hold 8 electrons based on quantum mechanics and the 2n² rule.

Oct 7, 2026Learn how to calculate the maximum number of electrons in an atom using the 2n² formula and understand electron shell capacity.

Apr 11, 2026Learn the key laws of atomic structure including Aufbau principle, Hund's rule, and Pauli Exclusion Principle that govern electron arrangement.

Mar 29, 2026Learn about Bohr’s Bury principle and how electrons fill atomic orbitals from low to high energy levels to determine electron configuration.