エルビウム

Also known as Er, element 68, 68Er

原子番号68の元素

OverviewAI-generated

Erbium is a chemical element with the symbol Er and atomic number 68. Its standard atomic weight is 167.26, and it has an electronegativity of 1. The element was discovered in 1879. In chemical notation, it is represented by the canonical SMILES string "[Er]" and the Unicode character "鉺".

The ionic radius of erbium is 1. It has zero hydrogen bond donors and acceptors, with a topological polar surface area of 0 and a charge of 0. The PubChem identifier for erbium is 23980, and its IUPAC name is erbium. The InChIKey associated with the element is UYAHIZSMUZPPFV-UHFFFAOYSA-N.

References to erbium appear in 5931 PubMed records. Additionally, the subject is referenced by 796 other encyclopedia articles.

Synthesized by Vinony from 23 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: Er
Molecular weight: 167.26 g/mol
IUPAC name: erbium
SMILES: [Er]
InChIKey: UYAHIZSMUZPPFV-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

5,931 papers

Erbium laser-assisted ceramic debonding: a scoping review.Journal of prosthodontics : official journal of the American College of Prosthodontists · 2022Deeb JG, Grzech-Leśniak K, Brody ER et al.DOI: 10.1111/jopr.13613
Erbium lasers in non-surgical periodontal therapy: an umbrella review and evidence gap map analysis.Lasers in medical science · 2022Lavu V, Kumar D, Krishnakumar D et al.DOI: 10.1007/s10103-022-03504-4
Erbium lasers in dentistry.ReviewDental clinics of North America · 2004van As GDOI: 10.1016/j.cden.2004.06.001
Erbium:YAG laser skin resurfacing.ReviewFacial plastic surgery clinics of North America · 2004Caniglia RJDOI: 10.1016/j.fsc.2004.03.005
Do erbium lasers promote changes in the tooth enamel during debonding of ceramic laminate veneers? A systematic review.Lasers in medical science · 2023Alves LVGL, da Silva MBF, Borsatto MC et al.DOI: 10.1007/s10103-023-03882-3
Effect of erbium family laser etching on shear bond strength of enamel surfaces: A meta-analysis-PRISMA.Medicine · 2022Jiang T, Gong Q, Liu Y et al.DOI: 10.1097/MD.0000000000030990
Erbium Laser Technology vs Traditional Drilling for Caries Removal: A Systematic Review with Meta-Analysis.The journal of evidence-based dental practice · 2017Tao S, Li L, Yuan H et al.DOI: 10.1016/j.jebdp.2017.05.004
Erbium(III) complexes with fluoroquinolones: Structure and biological properties.Journal of inorganic biochemistry · 2024Arnaouti E, Georgiadou C, Hatizdimitriou AG et al.DOI: 10.1016/j.jinorgbio.2024.112525

via PubMed

Wikidata facts

Instance of: chemical element
Part of: period 6
Named after: Ytterby mine
Mass: 167.259
Image: Erbium.jpg
Has use: Er:YAG laser

Show 13 more facts

atomic number: 68
element symbol: Er
Commons category: Erbium
topic's main category: Category:Erbium
Commons gallery: Erbium
canonical SMILES: [Er]
chemical formula: Er
time of discovery or invention: 1879-00-00
electronegativity: 1
discoverer or inventor: Carl Gustaf Mosander
Unicode character: 鉺
ionic radius: 1
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

Sources (4)

via Wikidata · CC0

Article · 日本語

エルビウム (英: erbium [ˈɜrbiəm]) は原子番号68の元素。元素記号は Er。希土類元素の一つ（ランタノイドにも属す）。灰色の金属で、常温、常圧で安定な結晶構造は六方最密充填構造 (HCP)。比重は9.05、融点は1497 ℃ (1529 ℃という実験値もあり)、沸点は2863 ℃ (2900 °Cという実験値もあり)。空気中で表面が酸化され、高温で燃えて Er2O3 となる。水にゆっくりと溶ける。酸に易溶。ハロゲンと反応する。常温で常磁性を示す。安定な原子価は3価。

Abstract from DBpedia / Wikipedia · CC BY-SA