Britannica Nobel Prize: Neon: Overview and basic data.
ChemGlobe: Neon: Electronic, thermal, and steric data along with basic facts and an isotope table.
ChemicalElements.com: Neon: Basic information, atomic structure, and table of isotopes.
EnvironmentalChemistry.com: Neon: Atomic structure, chemical and physical properties, and table of nuclides.
Especiál Gas Inc.: Neon: Numeric data, uses, and general information.
It's Elemental: Neon: Basic physical and historical information.
LANL: Neon: History, compounds, properties, and uses.
Lenntech: Neon: Physical data, chemical properties, health and environmental effects.
Neon: Basic information and photographs of uses.
Neon: Data tables and historic information.
Visual Elements: Neon: General and physical information, source, uses, key isotopes, and ionisation energies.
WebElements: Neon: Extensive information on history, uses, occurrence, and properties of the element.
Wikipedia: Neon: Properties of the element, including its history, applications, and characteristics.