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インジウム

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Also known as In, element 49, 49In, Indium element

原子番号49の元素

OverviewAI-generated

Indium is a chemical element with the symbol In and atomic number 49. Its standard atomic mass is 114.818. The element has an electronegativity of 1.78 and an ionic radius of 0.80. Its electron configuration is [Kr] 5s² 5d¹⁰ 5p¹.

Indium was discovered in 1863. It has a density of 7.31. The melting point is 314 and the boiling point is 3767. The vapor pressure is 0. The time-weighted average exposure limit is 0.1. The NIOSH Pocket Guide ID for the element is 0341.

Synthesized by Vinony from 30 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: In
Molecular weight: 114.818 g/mol
IUPAC name: indium
SMILES: [In]
InChIKey: APFVFJFRJDLVQX-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

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Research

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Wikidata facts

Subclass of: period 5
Part of: group 13
Named after: indigo
Mass: 114.818
Image: Indium wetting glass.jpg

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electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d¹⁰ 4p⁶ 5s² 5d¹⁰ 5p¹
element symbol: In
Commons category: Indium
topic's main category: Category:Indium
electronegativity: 1.78
discoverer or inventor: Hieronymous Theodor Richter
atomic number: 49
NIOSH Pocket Guide ID: 0341
density: 7.31
Commons gallery: Indium
melting point: 314
boiling point: 3767
vapor pressure: 0
described by source: Encyclopædia Britannica 11th edition
time-weighted average exposure limit: 0.1
chemical formula: In
canonical SMILES: [In]
time of discovery or invention: 1863-00-00
Unicode character: 銦
ionic radius: 0.80
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

Sources (7)

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Article · 日本語

インジウム（英: indium [ˈɪndiəm]）は、原子番号49の元素。元素記号は In。第13族元素の1つ。銀白色の柔らかい金属である。常温で安定な結晶構造は正方晶系。比重7.3、融点は156.4 °Cと低い。常温では空気中で安定である。酸には溶けるが、塩基や水とは反応しない。

Abstract from DBpedia / Wikipedia · CC BY-SA

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