Why is core also called nife ? Share with your friends Share 7 Kaarmanya Chadha answered this Because it is made up of nickel and iron and their symbols are ni and fe respectively. That is why in short the core is also called nife 8 View Full Answer Niya Therese Binoy answered this The major consituten of this layer is metallic minerals such as iron and nickel. -3 S.kishore Kaartik answered this Core is otherwise known NIFE. Because of the presence of NICKEL and FERROUS (IRON). -4