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Physics, Astronomy & Cosmology / Re: What is the largest atom?
« on: 09/06/2004 05:16:08 »
Neutron stars are made of only neutrons. In order for something to be considered an atom, it must contain protons and electrons. Neutron stars have neither.
By the way, bismuth was recently discovered to have no stable isotopes. It is always radioactive, but it has an extremely long half-life. That makes lead the heaviest non-radioactive element.
I think plutonium also occurs naturally, but in only very trace amounts.
By the way, bismuth was recently discovered to have no stable isotopes. It is always radioactive, but it has an extremely long half-life. That makes lead the heaviest non-radioactive element.
I think plutonium also occurs naturally, but in only very trace amounts.