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Why does alpha decay only occur in heavier elements?

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Norma Lockman

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Q: Why does alpha decay only occur in heavier elements?
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Why doesn't alpha decay occur for hydrogen?

Alpha decay requires two protons and two neutrons. Hydrogen only has one proton.


Why alpha emission occur first?

The question is unclear. First before what? More likely to occur? I am going to assume the latter... Alpha decay is more likely to occur, when both alpha and beta are possible, because alpha decay removes more binding energy from the nuclide, and the tendency is to reduce energy as quickly as possible.


Why does alpha and beta decay more commonly occur in radioisotopes?

Because the less protons are in an atom the quicker it decays.


What is the decay process does radium 226 undergo including the nuclear changes that occur?

Radium-226--------------------Radon-222 + alpha


Can transmutation reactions occur when the neutrons of various elements are bombarded by alpha particles?

yes


Is the helium nucleus a byproduct of fission?

Yes, but only if the nuclear disintegration is alpha decay. Alpha decay is only one mode of radioactive decay, and in alpha decay, a helium-4 nucleus (the alpha particle) will appear. Beta decay (two types) and spontaneous fission are also modes of radioactive decay, and different particles appear in those events. Links are provided below to Related questions that will help you sort this out.


What is the nuclear decay equation for uranium-238 to strontium-90?

The equation for the beta decay of 87Kr is: 3687Kr --> 3787Rb + -10e where -10e represents a negative beta particle or electron.


How does alpha beta and gamma decay change the nucleus?

Gamma decay is the release of energy, but does not in itself change the nucleas Alpha decay is the loss of 2 protrons and 2 neutrons, lowering the atomic number by 2 and mass number by 4 Beta can occur as a result of a neutron turning into a protron, raising the atomic number by 1 and charge by 1


What is the difference between nuclear decay fission and fusion?

decay; alpha (helium nuclei), beta (electrons or positrons), or gamma (photons) are spontaneously ejected from unstable isotopesfission; very massive unstable isotopes split into two much lighter nuclei and a few neutrons are ejected, usually happens following capture of a neutron but in some isotopes can occur spontaneouslyfusion; very light nuclei merge forming heavier nuclei, can only occur at very high temperature and pressure


What gas helps decay to occur?

Any gas helps decay to occur.


What types of decay processes must occur for 218Po to decay into 214Po and then into 210Po?

1- 218 Po if emits one alpha and two beta particles it becomes 214 Po 2- 214 Po if emits one alpha and two beta particles it becomes 210 Po. This is all hypothetical.


What are elements with atomic numbers above 95 called?

These elements (neptunium and heavier) are called transuranic elements or trans-uranium elements. They could also properly be called artificial and radioactive.*Both plutonium and neptunium, first known through synthesis, have been found to occur naturally in trace amounts, along with americium, curium, berkelium and californium. These occur through a natural version of the synthesis process, within quantities of uranium ore.