10Ne20.18
Neon
Noble gas · element 10 · group 18, period 2
Quick facts
| Symbol | Ne |
|---|---|
| Atomic number | 10 |
| Relative atomic mass | 20.18 |
| Category | Noble gas |
| Position | group 18, period 2 |
| State at 20 °C | Gas |
| Melting point | -248.6 °C |
| Boiling point | -246.1 °C |
| Density | 0.001 g/cm³ |
| Electronegativity | — |
| Electron configuration | [He] 2s2 2p6 |
About Neon
Neon has the symbol Ne and atomic number 10, which means every neon atom has 10 protons in its nucleus and, in a neutral atom, 10 electrons. At room temperature it is a gas.
Noble gases are in group 0. They have a full outer shell of electrons, so they are very unreactive and exist as single atoms.
It melts at -248.6 °C and boils at -246.1 °C.
Explore it
See where neon sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.