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A proton
No. Radium is a heavy metal, atomic number 88 (with 88 protons). An alpha particle is a helium nucleus, atomic number 2. Radium decays by each atom emitting an alpha particle, becoming Radon gas, atomic nubmer 86.
fission.
A heavy ion is the nucleus of a heavy atom. Heavy atoms are those of elements with atomic weights around that of cobalt or greater.
Because the nucleus of americium is heavy and unstable.
An alpha particle is a helium-4 nucleus. It has a mass of about 4 atomic mass units.
Because the nucleus of an atom is where all the mass bearing particle comprising an atom reside.
Because the nucleus of an atom is where all the mass bearing particle comprising an atom reside.
A proton
A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
Of heavy traffic
Of heavy traffic
Hydrogen usually has no neutrons. However, there is also the heavy hydrogen, a.k.a. deuterium, that has both a proton and a neutron in its nucleus.
Generally this is called nuclear fission. In the special case where one of the new particles produced is a Helium-4 nucleus (2 protons, 2 neutrons) the process is radioactive decay and specifically alpha emission. (The He-4 nucleus is called an alpha particle, as it was the first such particle recognized. A beta particle is an electron emitted from the nucleus with the conversion of a neutron to a proton = beta emission.)
No. Radium is a heavy metal, atomic number 88 (with 88 protons). An alpha particle is a helium nucleus, atomic number 2. Radium decays by each atom emitting an alpha particle, becoming Radon gas, atomic nubmer 86.
In physics, fission is the process in which a heavy, unstable element is split into two lighter elements by bombarding it with a small particle. Some of the energy that was binding the element's nucleus together is then released, along with a third, tiny particle that is released as well. The tiny particle then collides with another of the heavy elements, causing it to split as well, emitting another particle which collides with another heavy element, and so on. This is the chain reaction that allows for sustainable nuclear power generation, in which the reaction is controlled, or the detonation of nuclear weapons, in which the reaction is uncontrolled.
I was delayed by the heavy traffic in the midtown area.