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). Maqaalkan waa la bilaabay. Hadii aad wax ka taqaanid fadlan ka caawi Wikipedia in aad Wax ku dartid. Qoraalkaagu ha noqdo mid faa'iido leh oo dhexdhexaad ah.