Does natural iron have a denser nucleous then lab made iron?

Rorkster2

I've heard Iron has the most condensed nucleous out of all the elements, and I asume it is due to the enormous amount of pressure in a stars core just before the end of its life. My question is if we made iron in a lab, would its nucleous be just as condensed as natural iron or would it be slightly less?

Integral

Since we define an element by the number of nucleons present, and all protons have the same mass as do all neutrons a nucleus of an iron atom must have the same mass irregardless of how it is formed.

mfb

You can say even more: Man-made iron nuclei (with the right number of neutrons) are indistinguishable from iron nuclei produced in star. They is no way to see a difference, no matter how advanced the experiment is.

I've heard Iron has the most condensed nucleous out of all the elements

It has the highest binding energy per nucleon.

and I asume it is due to the enormous amount of pressure in a stars core just before the end of its life.

This is not sufficient to explain the formation of iron (and a high pressure would prefer even heavier atoms). However, pressure is required to get fusion processes in stars.

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Rorkster2	Does natural iron have a denser nucleous then lab made iron? I've heard Iron has the most condensed nucleous out of all the elements, and I asume it is due to the enormous amount of pressure in a stars core just before the end of its life. My question is if we made iron in a lab, would its nucleous be just as condensed as natural iron or would it be slightly less?

Integral Mentor Blog Entries: 9	Since we define an element by the number of nucleons present, and all protons have the same mass as do all neutrons a nucleus of an iron atom must have the same mass irregardless of how it is formed.