62 Sm 사마륨 150.36 u

사마륨

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주기
6
블록
f-블록
상 (표준 상태)
Solid

사마륨은 사마륨-코발트 자석에 쓰이는 비교적 단단한 란타넘족 원소이다. 이 자석은 고온에서도 감자에 강하다.

사마륨 개요

Samarium (Sm) is a moderately hard, silvery lanthanide, element 62, in period 6 of the f-block. Its atomic mass is 150.36, its electron configuration [Xe] 4f⁶ 6s², and its Pauling electronegativity 1.17. The element is central to samarium-cobalt permanent magnets, which are prized for retaining their magnetism at high temperatures where other magnets would fail, suiting them to aerospace and defense hardware. Samarium also finds use in certain catalysts and lasers. Solid at standard conditions, it commonly takes the +3 oxidation state, though the less usual +2 state is also accessible.

물리적 성질

원자 질량 150.36 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.17

전자 배치

배치 [Xe] 4f⁶ 6s²

전자껍질 배치

사마륨의 전자껍질 배치 Sm 2e⁻ 8e⁻ 18e⁻ 24e⁻ 8e⁻ 2e⁻
사마륨의 전자껍질 구조 — 껍질별 전자 수.
껍질 전자
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 24
5 (O) 8
6 (P) 2

주기율표에서의 위치

주기율표에서 사마륨의 위치 Sm

사마륨을(를) 포함하는 화합물

Frequently Asked Questions

What is 사마륨?
사마륨 (Sm) is a chemical element with atomic number 62. It is a solid at standard temperature and pressure, classified as a 란타넘족.
What are the key properties of 사마륨?
사마륨 has an atomic mass of 150.36 u.
What is the electron configuration of 사마륨?
The electron configuration of 사마륨 is [Xe] 4f6 6s2. It is in the f-block of the periodic table.
What is the electronegativity of 사마륨?
사마륨 has an electronegativity of 1.17 on the Pauling scale.