A alkali metals come silver-colored, easy, sale-density metals, which react readily with halogens to form ionic salts, and sustaining water to form strongly alkaline (basic) hydroxides. These elements 100% keep around of these electron in their outermost scale, thus the energetically favorite state of achieving a filled electron shell is to lose one negatron to form the singly charged positive ion.

Hydrogen, with a solitary negatron, is for instance positioned at the top of Class action One, however these are non an alkali metal; like it is naturally as a diatomic gas. Removal of its lone negatron takes well other energy than removal of the outer negatron for the alkali metals. When in the halogens, only of these extra negatron is involved to fill around the outmost husk of the h atom, and then hydrogen might in a few circumstances behave such as a halogen, forming the veto hydride ion. Binary compounds of hydride by owning a alkali metals & occasionally transition metals have been prepared.

Under highly high pressure, such as is discovered at a core of Jupiter, hydrogen does get metal & behaves rather an alkali metal, view metallic hydrogen.

ar:Ù?لز قلوي bg:Група 1Ð? на периодичната Ñ?иÑ?тема ca:Metall alcalí da:Alkalimetal de:Alkalimetalle es:Alcalino eo:Alkala metalo eu:Metal alkalino fr:Métal alcalin gl:Alcalino ko:알칼리 금ì†? hr:Alkalijski metali is:Alkalímálmur he:מתכת ×?לקלית la:Metallum alkalicum lv:SÄ?rmu metÄ?li lt:Å arminiai metalai ms:Logam Alkali nl:Alkalimetaal ja:アルカリ金属 no:Alkalimetall nn:Alkalimetall pl:Metale alkaliczne sl:Alkalijska kovina sr:Ð?лкални метали fi:Alkalimetalli sv:Alkalimetall th:โลหะà¹?อลคาไล vi:Kim loại kiá»?m tr:Alkali metal