53 I 아이오딘 126.9 u

아이오딘

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주기
5
17
블록
p-블록
상 (표준 상태)
Solid

아이오딘은 갑상샘 기능에 필수적인 할로젠이다. 승화하여 보라색 증기를 이루며 소독제로 쓰인다.

아이오딘 개요

Iodine (I) is a halogen essential to human health, required by the thyroid gland to synthesize hormones that regulate metabolism. Element 53 sits in group 17 of period 5 in the p-block, with an atomic mass of 126.9, the electron configuration [Kr] 4d¹⁰ 5s² 5p⁵, and a high Pauling electronegativity of 2.66. Solid at standard conditions, it readily sublimes to a violet vapor, a behavior unusual among the elements. Iodine and its solutions are valued as antiseptics and disinfectants, and it is the heaviest of the common, stable halogens, sitting below chlorine and bromine in the group.

물리적 성질

원자 질량 126.9 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 2.66

전자 배치

배치 [Kr] 4d¹⁰ 5s² 5p⁵

전자껍질 배치

아이오딘의 전자껍질 배치 I 2e⁻ 8e⁻ 18e⁻ 18e⁻ 7e⁻
아이오딘의 전자껍질 구조 — 껍질별 전자 수.
껍질 전자
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 18
5 (O) 7

주기율표에서의 위치

주기율표에서 아이오딘의 위치 I

아이오딘을(를) 포함하는 화합물

Frequently Asked Questions

What is 아이오딘?
아이오딘 (I) is a chemical element with atomic number 53. It is a solid at standard temperature and pressure, classified as a 할로겐.
What are the key properties of 아이오딘?
아이오딘 has an atomic mass of 126.9 u.
What is the electron configuration of 아이오딘?
The electron configuration of 아이오딘 is [Kr] 4d10 5s2 5p5. It is in the p-block of the periodic table.
What is the electronegativity of 아이오딘?
아이오딘 has an electronegativity of 2.66 on the Pauling scale.