39 Y 이트륨 88.906 u

이트륨

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주기
5
3
블록
d-블록
상 (표준 상태)
Solid

이트륨은 LED, 초전도체, 암 치료에 쓰이는 은백색 전이 금속이다. 희토류 원소와 함께 산출되는 경우가 많다.

이트륨 개요

Yttrium is a silvery transition metal of atomic number 39 and atomic mass 88.906, a solid under standard conditions with the configuration [Kr] 4d1 5s2 and an electronegativity of 1.22. Positioned in group 3, period 5, it is frequently found together with the rare earth elements and shares many of their properties, so that it is commonly mined and processed alongside them. Yttrium is used in light-emitting diodes and in superconducting materials, and its radioactive isotopes have applications in cancer treatment. Its chemistry is dominated by the stable, triply charged ion, a single oxidation state that distinguishes it from many later transition metals.

물리적 성질

원자 질량 88.906 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.22

전자 배치

배치 [Kr] 4d¹ 5s²

전자껍질 배치

이트륨의 전자껍질 배치 Y 2e⁻ 8e⁻ 18e⁻ 9e⁻ 2e⁻
이트륨의 전자껍질 구조 — 껍질별 전자 수.
껍질 전자
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 9
5 (O) 2

주기율표에서의 위치

주기율표에서 이트륨의 위치 Y

이트륨을(를) 포함하는 화합물

Frequently Asked Questions

What is 이트륨?
이트륨 (Y) is a chemical element with atomic number 39. It is a solid at standard temperature and pressure, classified as a 전이 금속.
What are the key properties of 이트륨?
이트륨 has an atomic mass of 88.906 u.
What is the electron configuration of 이트륨?
The electron configuration of 이트륨 is [Kr] 4d1 5s2. It is in the d-block of the periodic table.
What is the electronegativity of 이트륨?
이트륨 has an electronegativity of 1.22 on the Pauling scale.