Guruubka Kaarboon
G 13aad < Guruubka 14aad > G 15aad
Guruubka 14aad ama Guruubka Kaarboon waa guruub curiye kimiko ee qeybta 14aad ee safafka Diwaanka Curiye.
Guruubkan wuxuu ka kooban yahay lix curiye kuwaas oo kala ah: Kaarboon (C), Silikoon (Si), Jermaaniyaam (Ge), Tin (Sn), Lead (Pb) iyo Felerofiyaam (Fl).