experimental

Entry: Beryllium

URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_b46b7e36

[Wikipedia] Beryllium is a chemical element with the symbol Be and atomic number 4. It is a steel-gray, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Notable gemstones high in beryllium include beryl (aquamarine, emerald) and chrysoberyl. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements. Beryllium constitutes about 0.0004 percent by mass of Earth's crust. The world's annual beryllium production of 220 tons is usually manufactured by extraction from the mineral beryl, a difficult process because beryllium bonds strongly to oxygen.

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is a feature of interest | Concept
changed on 17 Nov 2023 08:31:48.136
submitted byHélène Bressan
accepted on 22 May 2023 15:01:25.982

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date accepted 22 May 2023 15:01:25.982
date submitted 22 May 2023 13:21:09.477
definition
entity Beryllium
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description [Wikipedia] Beryllium is a chemical element with the symbol Be and atomic number 4. It is a steel-gray, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Notable gemstones high in beryllium include beryl (aquamarine, emerald) and chrysoberyl. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements. Beryllium constitutes about 0.0004 percent by mass of Earth's crust. The world's annual beryllium production of 220 tons is usually manufactured by extraction from the mineral beryl, a difficult process because beryllium bonds strongly to oxygen.
item class Concept | feature of interest
label
en Beryllium
fr Béryllium
modified 17 Nov 2023 08:31:48.136
notation c_b46b7e36
register mots clefs
status status experimental
submitter
account name h.bressan@brgm.fr
name Hélène Bressan

type register item
version info 4
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Definition

alt label Be
description [Wikipedia] Beryllium is a chemical element with the symbol Be and atomic number 4. It is a steel-gray, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Notable gemstones high in beryllium include beryl (aquamarine, emerald) and chrysoberyl. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements. Beryllium constitutes about 0.0004 percent by mass of Earth's crust. The world's annual beryllium production of 220 tons is usually manufactured by extraction from the mineral beryl, a difficult process because beryllium bonds strongly to oxygen.
exact match 781 | c b46b7e36
in scheme Vocabulaire des mots clefs
label
en Beryllium
fr Béryllium
pref label
en Beryllium
fr Béryllium
same as c b46b7e36 | 781
top concept of Vocabulaire des mots clefs
type feature of interest | Concept
was attributed to Pole THEIA