Erbium - Wikipedia
网页Erbium is a silvery white metal and a lanthanide, with the symbol Er and atomic number 68. It is named after Ytterby, Sweden, where it was discovered in 1843 by Carl Gustaf Mosander.
Erbium | Uses, Properties, & Facts | Britannica
网页Erbium is a rare-earth metal with atomic number 68 and natural isotope erbium-168. It is used in fibre-optic telecommunications, lasers, glasses, and synthetic gems.
Erbium - Element information, properties and uses | Periodic Table
网页Erbium is a soft, silvery metallic element with atomic number 68 and relative atomic mass 167.259. It has no biological role, low toxicity, and is used to give colour to glass, ceramics, and gems.
Erbium Facts, Symbol, Discovery, Properties, Uses - Chemistry …
网页Erbium is a rare earth metal with the symbol Er and atomic number 68. It has various applications in nuclear, optical, medical and laser fields, and is named after a Swedish village.
Erbium Facts—Er Element Properties - ThoughtCo
网页2018年8月8日 · Erbium is a silvery-white, malleable rare earth metal with the atomic number 68 and the symbol Er. It is used in glass, lasers, optical fibers, and nuclear industry, and has six stable isotopes and 29 radioactive ones.
Erbium (Er) - Periodic Table
网页Erbium is the 68th element in the periodic table and has a symbol of Er and atomic number of 68. It has an atomic weight of 167.259 and a mass number of 166. Erbium has sixty-eight protons and ninety-eight neutrons in its nucleus, and sixty-eight electrons in six shells.
Erbium Element | Uses, Facts, Physical & Chemical Characteristics
网页Erbium is a rare earth metal with atomic number 68 and symbol Er. It has fluorescent properties, sharp absorption bands and medical applications. Learn about its history, occurrence, physical and chemical characteristics, isotopes and more.
Erbium - Periodic Table
网页Erbium is a silver-colored metal and a lanthanide element with atomic number 68. It was discovered in 1843 by Swedish chemist Carl Gustaf Mosander and has various uses in photography, glass, nuclear technology and alloys.
Erbium (Er) - Atomic Number 68 - breakingatom.com
网页2019年12月30日 · Erbium is a silvery coloured metal and a Lanthanide element with the symbol Er. It has a melting point of 1529°C, a boiling point of 2868°C, and an electronegativity of 1.24.
WebElements Periodic Table » Erbium » the essentials
网页Erbium atoms have 68 electrons and the shell structure is 2.8.18.30.8.2. The ground state electronic configuration of neutral erbium is [Xe].4f 12.6s 2 and the term symbol of …