Guruubka Birta Alkalineta dhulka waa lix curiye ee guruubka 2aad ee Diwaanka Curiye kuwaas oo kala ah: Beriiliyaam (Be), Magniisiyaam (Mg), Kaalshiyaam (Ca), Istoroontiyaam (Sr), Baariyaam (Br) iyo Raadhiyaam (Ra).