Atomic Profile

Phosphorus (P)

Discover properties, shell configurations, industrial applications, compounds, and historical occurrences of the Phosphorus element.

15P30.974

Melting Point44.15 °C (White Phosphorus)

Boiling Point280.5 °C

Density1.823 g/cm³ (White Phosphorus)

Electronegativity2.19

Group / PeriodGroup 15, Period 3

Electronic Config[Ne] 3s² 3p³

Bohr Shells2, 8, 5

Visualizing the concentric Bohr orbits and energy level shells for Phosphorus.

+15

Shell 1: 2e⁻ | Shell 2: 8e⁻ | Shell 3: 5e⁻

Discovery Details

Discovered by Hennig Brand in the year 1669.

Natural Occurrence

Never found as a free element. Highly concentrated in phosphate minerals and phosphate rock.

Common Uses & Applications

Below are typical molecular compounds formed by Phosphorus interacting with other elements:

H₃PO₄ (Phosphoric Acid)P₂O₅ (Phosphorus Pentoxide)Ca₃(PO₄)₂ (Calcium Phosphate)

Which allotrope of Phosphorus is highly unstable, toxic, and glows in the dark?

Watch educational lectures detailing the chemical extraction and molecular spectrums of Phosphorus.

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