what happens to iron when heated?

Answer 1

The atoms of iron begin to move at a more rapid pace, causing the material to expand. Once it expands enough there is so much energy that it can turn into liquid form, allowing it to flow freely so long as another force isn't standing in it's way. The same thing happens to all matter when heated up. You may even notice that the metal will begin to glow. This is because of radiation in the form of photon particles. It will also become highly ductile and maliable, which are two characteristics that iron have. Heck, if iron were to be heated up far enough it could even become a gas. However, I doubt you would ever be able to do it without both heat and compression with current technology. You might even cause the gasses in the atmosphere around it to gain enough energy to start a fusion reaction, which could cause one yucky mess out of our atmosphere if they don't cool down.

Answer 2

Heating Iron

Answer 3

Gray
Red
Orange
Yellow
White
Molten Iron
Boiling Iron
Iron Gas
Unfusable Iron Plasma

Answer 4

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It is possible to fuse iron into heavier elements, but it takes a supernova to do it. That's where gold comes from in the first place. Iron is the most stable element and while nuclear fusion of lighter elements releases energy, like in the sun, fusion of iron and heavier elements absorbs energy. It is possible to create heavier elements with a particle accelerator. But currently it is cheaper to dig gold out of the ground. That might possibly change - there are plans to make Technetium for medical use in accelerators, and the economics require that to be not much more expensive than gold. I am confused by some of your question - Helium has 2 protons and 2 electrons (and 2 neutrons), not iron, while Lithium has 3 protons. With 4 electrons Lithium would be negatively ionized - very unstable chemically.

Answer 5

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RE:
what happens to iron when heated?

Answer 6

Due to the extreme energy that gets accumulated in the atoms when external heat is supplied atoms tend to go far away from the reaming atoms. It turns bright orangish red and starts melting after reaching its melting point.

Answer 7

It turns red and when heated enough it melts. When heated in the presence of carbon it turns into steel.

Answer 8

The molecules of iron moves faster. By faster movement of the molecules the bands between the molecules unknit so it becomes liquid.

Answer 9

it gets expanded so that we can make it to the required shape and more heat makes it melt suitable for moulding.

Answer 10

it expands on heating.......