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experimental

Entry: Boron - showing version 4

URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_5e2a3c98

[Wikipedia] Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting many compounds such as boric acid, the mineral borax, and the ultra-hard crystal boron carbide.

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is a feature of interest | Concept
changed on 17 Nov 2023 08:31:48.883
submitted byHélène Bressan
accepted on 22 May 2023 15:05:37.031

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date accepted 22 May 2023 15:05:37.031
date submitted 22 May 2023 13:21:09.539
definition
entity Boron
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description [Wikipedia] Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting many compounds such as boric acid, the mineral borax, and the ultra-hard crystal boron carbide.
item class feature of interest | Concept
label
en Boron
fr Boron
modified 17 Nov 2023 08:31:48.883
notation c_5e2a3c98
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 B
description [Wikipedia] Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting many compounds such as boric acid, the mineral borax, and the ultra-hard crystal boron carbide.
exact match c 5e2a3c98 | 965 | 20802
in scheme Vocabulaire des mots clefs
label
en Boron
fr Boron
pref label
en Boron
fr Boron
same as c 5e2a3c98 | 965 | 20802
top concept of Vocabulaire des mots clefs
type feature of interest | Concept
was attributed to Pole THEIA