Example image of eyePlorer eyePlorer map for 'Iron': Atomic number Chemical element Metal Group 8 element Period 4 element Transition metal Alloy Ferromagnetism Steel Iron(III) oxide Rust Aluminium Alpha process Iron-56 Stellar nucleosynthesis Supernova Earth Iron meteorite Planetary core Red giant Moisture Carbon Hematite Iron ore Ore Oxygen Redox Nonmetal Silicon Isotopes of nickel Nuclear fusion Ferrous Trace element Hemocyanin Cofactor (biochemistry) Heme Catalase Cytochrome Hemoglobin Brinell scale Rockwell scale Tensile strength Parts-per notation Allotropy Cubic crystal system Austenite Crystal structure Curie temperature Ferrite (iron) Magnetism