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Basic Information

Name: Neon
Symbol: Ne
Atomic Number: 10
Atomic Mass: 20.1797 amu
Melting Point: -248.6 °C (24.549994 K, -415.48 °F)
Boiling Point: -246.1 °C (27.049994 K, -410.98 °F)
Number of Protons/Electrons: 10
Number of Neutrons: 10
Classification: Noble Gas
Crystal Structure: Cubic
Density @ 293 K: 0.901 g/cm³
Color: colorless

Atomic Structure

Number of Energy Levels: 2

First Energy Level:

Second Energy Level:

Isotopes

Isotope	Half Life
Ne-20	Stable
Ne-21	Stable
Ne-22	Stable

Facts

Date of Discovery: 1898
Discoverer: Sir William Ramsay
Name Origin: Form the Greek word neos (new)
Uses: lighting
Obtained From: liquid air

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