Atomic Profile

Helium (He)

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

2He4.0026

Melting Point-272.2 °C (at 26 atm)

Boiling Point-268.93 °C

Density0.1786 g/L

Electronegativityno data

Group / PeriodGroup 18, Period 1

Electronic Config1s²

Bohr Shells2

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

Shell 1: 2e⁻

Discovery Details

Discovered by Pierre Janssen & Norman Lockyer in the year 1868.

Natural Occurrence

Second most abundant element in the universe. Extracted from natural gas reserves on Earth.

Common Uses & Applications

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

None (Highly inert noble gas)

Why does Helium not form chemical compounds under standard conditions?

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

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