Period 3 elements
Period 3 covers eight elements from sodium to argon. It mirrors period 2 in structure but with a third electron shell, and includes industrially crucial elements like aluminium, silicon, phosphorus and sulfur.
Period 3 covers eight elements from sodium to argon. It mirrors period 2 in structure but with a third electron shell, and includes industrially crucial elements like aluminium, silicon, phosphorus and sulfur.