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Atomic Profile
Hydrogen (H)
Discover properties, shell configurations, industrial applications, compounds, and historical occurrences of the Hydrogen element.
1H1.008
Physical Properties
Melting Point-259.16 °C
Boiling Point-252.87 °C
Density0.08988 g/L
Electronegativity2.20
Group / PeriodGroup 1, Period 1
Electronic Config1s¹
Bohr Shells1
Bohr Electron Model
Visualizing the concentric Bohr orbits and energy level shells for Hydrogen.
+1
Shell 1: 1e⁻
Origin & Abundance
Discovery Details
Discovered by Henry Cavendish in the year 1766.
Natural Occurrence
Most abundant element in the universe (75%). Found combined with oxygen in water (H₂O) and in organic matter.
Common Uses & Applications
- Rocket fuel propellant
- Ammonia production via Haber process
- Hydrogenation of fats and oils
- Fuel cells for clean electricity
Common Chemical Compounds
Below are typical molecular compounds formed by Hydrogen interacting with other elements:
H₂O (Water)HCl (Hydrochloric Acid)CH₄ (Methane)NH₃ (Ammonia)
Element Concept Check
Which of the following compounds is NOT formed by hydrogen?
Video Lectures & Fact Files
Watch educational lectures detailing the chemical extraction and molecular spectrums of Hydrogen.
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