stable

Item: alkaline earth metal

URI: http://environment.data.gov.au/def/object/alkaline_earth_metal

A group of chemical elements in the periodic table with very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure and readily lose their two outermost electrons to form cations with charge +2. In the modern IUPAC nomenclature, the alkaline earth metals comprise the group 2 elements. The alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). This group lies in the s-block of the periodic table as all alkaline earth metals have their outermost electron in an s-orbital.

Core metadata

is a Concept | Substance | substance or taxon
submitted bySimon Cox (email)
accepted on 16 Feb 2016 04:55:55.727

All registration metadata

date accepted 16 Feb 2016 04:55:55.727
date submitted 16 Feb 2016 04:55:48.947
definition
entity alkaline earth metal
source graph graph

description A group of chemical elements in the periodic table with very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure and readily lose their two outermost electrons to form cations with charge +2. In the modern IUPAC nomenclature, the alkaline earth metals comprise the group 2 elements. The alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). This group lies in the s-block of the periodic table as all alkaline earth metals have their outermost electron in an s-orbital.
item class Substance | substance or taxon | Concept
label alkaline earth metal
notation alkaline_earth_metal
register object
status status stable
submitter
account name simon.cox@csiro.au
name Simon Cox (email)

type register item
version info 2

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Definition

broader s-block molecular entity | metal
broader transitive chemicals | molecular entity | main group molecular entity
definition A group of chemical elements in the periodic table with very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure and readily lose their two outermost electrons to form cations with charge +2. In the modern IUPAC nomenclature, the alkaline earth metals comprise the group 2 elements. The alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). This group lies in the s-block of the periodic table as all alkaline earth metals have their outermost electron in an s-orbital.
description A group of chemical elements in the periodic table with very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure and readily lose their two outermost electrons to form cations with charge +2. In the modern IUPAC nomenclature, the alkaline earth metals comprise the group 2 elements. The alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). This group lies in the s-block of the periodic table as all alkaline earth metals have their outermost electron in an s-orbital.
label alkaline earth molcecular entity
narrow match cHEBI 33299
narrower barium | strontium | radium | magnesium | beryllium | calcium
pref label alkaline earth metal
source eReefs
type Concept | Substance | substance or taxon

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