2A grubu, Be, Mg, Ca, Sr, Ba ve Ra elementlerinden oluşur
Toprak alkali metaller olarak da bilinir
Periyodik tablonun ikinci (2A) grubunda yer alır
Özellikleri
Doğada bileşik şeklinde bulunurlar
Bileşiklerinde +1 değerlikli olurlar
Alkali metaller gibi aktif özellik göstermezler
Gruptaki tüm elementler metaldir
Diğer Bilgiler
Saf su ile 1A-2A grubu metaller tepkimeye girer
Dünyada en çok bulunan element %45 ile oksijendir
Yanıtı değerlendir
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