49 In 인듐 114.82 u

인듐

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주기
5
족
13
블록
p-블록
상 (표준 상태)
Solid

인듐은 터치스크린(ITO), 땜납, 반도체에 쓰이는 무르고 잘 펴지는 전이후 금속이다.

인듐 개요

Central to the touchscreens of modern devices, indium (In) is the transparent, conductive ingredient of indium tin oxide. Element 49 is a soft, malleable post-transition metal in group 13 of period 5, within the p-block, with an atomic mass of 114.82, the electron configuration [Kr] 4d¹⁰ 5s² 5p¹, and a Pauling electronegativity of 1.78. Beyond display coatings, it serves in low-melting solders and in compound semiconductors. A silvery, ductile metal, indium is solid at standard temperature and pressure, lies below gallium in group 13, and is soft enough to be worked with ease.

물리적 성질

원자 질량 114.82 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.78

전자 배치

배치 [Kr] 4d¹⁰ 5s² 5p¹

전자껍질 배치

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

주기율표에서의 위치

주기율표에서 인듐의 위치 In

블록 & 주기

블록

s p d f

주기

1 2 3 4 5 6 7

주기율표

란타넘족 악티늄족

인듐을(를) 포함하는 화합물

인듐 주석 산화물

In₂O₃·SnO₂

더 많은 전이후 금속

13 Al 알루미늄 31 Ga 갈륨 50 Sn 주석 81 Tl 탈륨 82 Pb 납 83 Bi 비스무트 84 Po 폴로늄

Frequently Asked Questions

What is 인듐?
인듐 (In) is a chemical element with atomic number 49. It is a solid at standard temperature and pressure, classified as a 전이후 금속.
What are the key properties of 인듐?
인듐 has an atomic mass of 114.82 u.
What is the electron configuration of 인듐?
The electron configuration of 인듐 is [Kr] 4d10 5s2 5p1. It is in the p-block of the periodic table.
What is the electronegativity of 인듐?
인듐 has an electronegativity of 1.78 on the Pauling scale.