36 Kr Krypton 83.798 u

Krypton

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주기
4
18
블록
p-블록
상 (표준 상태)
Gas

Krypton is a noble gas used in certain fluorescent lamps and photographic flashes. Its spectral lines were once used to define the meter.

외관: 무색 기체, 흰색 고체

물리적 성질

원자 질량 83.798 u
밀도 0.003749 g/cm³
녹는점 -157.4 °C
끓는점 -153.2 °C
표준 상태에서의 상 Gas
원자 반지름 88.0 pm

전자적 성질

전기 음성도 3.0
이온화 에너지 1350.8 eV
원자가 전자 8

전자 배치

배치 [Ar] 3d¹⁰ 4s² 4p⁶

Electron Shell Configuration

Krypton electron shell configuration Kr 2e⁻ 8e⁻ 18e⁻ 8e⁻

Position in Periodic Table

Krypton position in the periodic table Kr

발견

발견자: William Ramsay
연도: 1898

주기율표

란타넘족 악티늄족

더 많은 비활성 기체

Frequently Asked Questions

What is Krypton?
Krypton (Kr) is a chemical element with atomic number 36. It is a gas at standard temperature and pressure, classified as a 비활성 기체.
What are the key properties of Krypton?
Krypton has an atomic mass of 83.798 u, density of 0.003749 g/cm³, melting point of -157.4°C, boiling point of -153.2°C.
What is the electron configuration of Krypton?
The electron configuration of Krypton is [Ar] 3d10 4s2 4p6. It is in the p-block of the periodic table.
Who discovered Krypton?
Krypton was discovered by William Ramsay in 1898.
What is the electronegativity of Krypton?
Krypton has an electronegativity of 3.0 on the Pauling scale.