10 Ne Neon 20.18 u

Neon

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周期
2
族
18
ブロック
p-ブロック
相 (STP)
Gas

Neon is a noble gas known for its bright reddish-orange glow in neon signs. It is the fifth most abundant element in the universe.

外観: 無色の気体（放電時に赤橙色の発光）

物理的特性

原子質量 20.18 u
密度 0.0008999 g/cm³
融点 -248.6 °C
沸点 -246.0 °C
STPにおける相 Gas
原子半径 38.0 pm

電子的特性

イオン化エネルギー 2080.7 eV
価電子 8

電子配置

配置 [He] 2s² 2p⁶

Electron Shell Configuration

Neon electron shell configuration Ne 2e⁻ 8e⁻

Position in Periodic Table

Neon position in the periodic table Ne

発見

発見者: William Ramsay
年: 1898

ブロックと周期

ブロック

s p d f

周期

1 2 3 4 5 6 7

周期表

ランタノイド アクチノイド

希ガス をもっと見る

2 He Helium 18 Ar Argon 36 Kr Krypton 54 Xe Xenon 86 Rn Radon

Frequently Asked Questions

What is Neon?
Neon (Ne) is a chemical element with atomic number 10. It is a gas at standard temperature and pressure, classified as a 希ガス.
What are the key properties of Neon?
Neon has an atomic mass of 20.18 u, density of 0.0008999 g/cm³, melting point of -248.6°C, boiling point of -246.0°C.
What is the electron configuration of Neon?
The electron configuration of Neon is [He] 2s2 2p6. It is in the p-block of the periodic table.
Who discovered Neon?
Neon was discovered by William Ramsay in 1898.