Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3. Iron is important to plants and animals, and it is a part of hemoglobin. This happens at just above the freezing temp… The diagram describes the suitable conditions for two or more phases to exist in equilibrium. The element iron (Fe), for example, can be made into a nail. Iron – Heavy Metal Iron is a chemical element in the periodic table that has the symbol Fe and atomic number 26. When the experimental data are fitted with a straight line of slope 2.85 deg/kb most of the scatter is less than 4°. Adding another proton would create the atom of the element cobalt. It is primarily obtained from the minerals hematite and magnetite. Adding a heat will convert the solid into a liquid with no temperature change. Iron is notable for being the final element produced by stellar nucleosynthesis, and thus the heaviest element which does not require a supernova or similarly cataclysmic event for its formation. Melting point of wrought iron is 1540°C. Abnormal solids, like ice and bismuth, contract on melting into liquids. It is a smooth, greyish metal, rusting in the humid weather. Your email address will not be published. Group Name: none. If you cut the iron nail in half, it is still the element iron. Hemoglobin is used to move oxygen from the lungs to the rest of the body. Metal Melting Temperatures . and manufacturing. Pure iron ( Fe) has a fixed melting point of 1535 ° C, chromium ( Cr) of 1890 ° C and nickel (Ni) of 1453 ° C compared to 1400-1450 ° C for stainless steel of type 304. 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