51 Sb 안티모니 121.76 u

안티모니

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주기
5
족
15
블록
p-블록
상 (표준 상태)
Solid

안티모니는 난연제, 전지, 반도체에 쓰이는 광택 있는 준금속이다. 고대부터 알려져 있었다.

안티모니 개요

Antimony (Sb) is a lustrous, silvery metalloid known and used since ancient times. Element 51 occupies group 15 of period 5 in the p-block, with an atomic mass of 121.76, the electron configuration [Kr] 4d¹⁰ 5s² 5p³, and a Pauling electronegativity of 2.05. Its compounds are widely employed as flame retardants, while the element itself hardens lead in battery plates and appears in certain semiconductors. Displaying properties intermediate between metals and nonmetals, antimony is brittle and solid at standard conditions, a characteristic metalloid of the nitrogen group that sits directly below arsenic.

물리적 성질

원자 질량 121.76 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 2.05

전자 배치

배치 [Kr] 4d¹⁰ 5s² 5p³

전자껍질 배치

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

주기율표에서의 위치

주기율표에서 안티모니의 위치 Sb

블록 & 주기

블록

s p d f

주기

1 2 3 4 5 6 7

주기율표

란타넘족 악티늄족

안티모니을(를) 포함하는 화합물

삼산화안티모니

Sb₂O₃

더 많은 준금속

5 B 붕소 14 Si 규소 32 Ge 저마늄 33 As 비소 52 Te 텔루륨

Frequently Asked Questions

What is 안티모니?
안티모니 (Sb) is a chemical element with atomic number 51. It is a solid at standard temperature and pressure, classified as a 준금속.
What are the key properties of 안티모니?
안티모니 has an atomic mass of 121.76 u.
What is the electron configuration of 안티모니?
The electron configuration of 안티모니 is [Kr] 4d10 5s2 5p3. It is in the p-block of the periodic table.
What is the electronegativity of 안티모니?
안티모니 has an electronegativity of 2.05 on the Pauling scale.