Boron group

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Group 13
Period
2 Template:Element cell
3 Template:Element cell
4 Template:Element cell
5 Template:Element cell
6 Template:Element cell
7 Template:Element cell

The boron group is the series of elements in group 13 (IUPAC style) in the periodic table. The group has previously also been referred to as the earth metals and the triels, from the Latin tri, three, stemming from the naming convention of this group as Group IIIB. These elements are characterized by having three electrons in their outer energy levels (valence layers). Boron is considered a metalloid, and the rest are considered metals of the poor metals groups.

The boron group consists of boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl), and ununtrium (Uut) (unconfirmed).

Boron occurs sparsely probably because of disruption of its nucleus by bombardment with subatomic particles produced from natural radioactivity. Aluminum occurs widely on earth and in fact, it is the third most abundant element in the earth's crust (7.4%).

Explanation of above periodic table slice:
bgcolor="Template:Element color/Metalloids" | Metalloids bgcolor="Template:Element color/Poor metals" | Poor metals atomic number in Template:Element color/Solid are solids style="border:Template:Element frame/Primordial;" | solid borders are primordial elements (older than the Earth) style="border:Template:Element frame/Synthetic;" | dotted borders are radioactive, synthetic elements


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ar:مجموعة بورون ast:Elementos del grupu 13 ca:Grup del bor cs:Triely de:Borgruppe eo:Elemento de grupo 13 ko:13족 원소 lmo:Grupp del bòor nl:Boorgroep nn:Gruppe 13 sr:13. група хемијских елемената sh:13. grupa hemijskih elemenata fi:Booriryhmä sv:Borgruppen th:หมู่โบรอน


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