10 Ne 20.18
Neon
noble gas
Properties
- Atomic number
- 10
- Atomic mass
- 20.18 u
- Category
- noble gas
- Group
- 18
- Period
- 2
- Block
- p-block
- State (room temp)
- Gas
- Outer-shell electrons
- 8
- Electronegativity
- -
- Density
- -
- Melting point
- -248.59 °C
- Boiling point
- -246.05 °C
Electron configuration
1s² 2s² 2p⁶
Noble-gas shorthand: [He] 2s² 2p⁶
Electrons per shell: 2, 8, which is 8 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Neon
Neon is a chemical element with symbol Ne and atomic number 10. It is in group 18 (noble gases) of the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.
- Discovered by Morris Travers
- Appearance: colorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Neon: frequently asked questions
- What is Neon?
- Neon (Ne) is the chemical element with atomic number 10. It is a nonmetal: specifically a noble gas, the group with full outer electron shells.
- What is the atomic number of Neon?
- Neon's atomic number is 10, which means every Neon atom has 10 protons in its nucleus.
- What is the electron configuration of Neon?
- The electron configuration of Neon is 1s2 2s2 2p6 (noble-gas shorthand: [He] 2s2 2p6). Its electrons are arranged in shells of 2, 8, with 8 in the outermost shell.
- Is Neon a metal or a nonmetal?
- Neon is a nonmetal: specifically a noble gas, the group with full outer electron shells.
- What group and period is Neon in?
- Neon is in group 18 and period 2 of the periodic table.
- Is Neon a solid, liquid, or gas?
- At room temperature, Neon is a gas.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.