The atomic mass of the element neon is 20.18 amu, or atomic mass units. This number, which appears on the periodic table underneath the chemical symbol for neon, Ne, represents the weighted average of the isotopic masses... More »

Atomic mass is the total mass of protons, neutrons, and electrons in a given element, commonly expressed in unified atomic mass units. The International Union of Pure and Applied Chemistry (IUPAC) has defined a unified a... More »

Neon has a molar mass of 20 grams per mole. It has an atomic number of 10 and on the periodic table it is found in period 2, group 18. It is part of the noble gas group. More »

The element neon has exactly 10 neutrons. The element also has 10 protons and 10 electrons. It has an atomic number of 10 and an atomic mass of 20.18 atomic mass units. More »

The element neon is found in the atmosphere and outer space. Neon is a gas, and while it is the fourth most abundant element in the universe, it is a rare gas in the atmosphere. Neon represents only 18 parts per million ... More »

William Ramsay and Morris Travers discovered the element neon in 1898. These chemists made their discovery of neon by studying liquefied air. In this same year, Ramsay and Travers also discovered krypton. More » Science Chemistry Atoms & Molecules

The element neon received its name, which is Greek for "new," when it was first discovered in 1898. It was first discovered and named by Sir William Ramsey and Morris W. Travers shortly after their discovery of krypton t... More »