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- in alpha decay it loses a helium nucleus (2 protons, 2 neutrons)
- in beta decay a neutron converts to a proton and it ejects an electron and a neutrino
- in gamma decay an excited nuclear state relaxes and a gamma photon is emitted
- in "k-capture" an inner electron is eaten by the nucleus converting a proton to a neutron and it ejects a neutrino
there are also a few other mechanisms.
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What type of energy is released when one element decays into other element?
kinetic energy
What element creates Lead when it decays?
Thallium 204 turns into lead.
What element decays to form helium and francium?
Actinium 225Ac--------alpha (4He) + 221Fr
What is the first radioactive element that forms when uranium 238 decays?
The isotope 234 Th.
How is the mass number of an element affected when it decays by ejecting an alpha partical?
Mass number decreases by four
Related questions
Why an element call radioactive?
it is unstable and decays to another element
An element that decays to another element over a period of time is?
A property of that element. An unstable element. A radioactive element
When an isotope in the rock decays a new formed?
element
When an isotope in the rock decays a new what formed?
element
What type of energy is released when one element decays into other element?
kinetic energy
What happens when radioactive element decays?
Carbon gets released
What is it called when an atom decays and become another element?
Radioactivity
What is produced when a radioactive element decays?
Energy, various sub-atomic particles, a different element.
What element creates Lead when it decays?
Thallium 204 turns into lead.
What is a decay chain?
One element decaying into another, which decays into another
What gas is produced when radium decays?
The extremely dangerous Radon (my favorite element).
If uranium decays is it a chemical change?
No. It is a nuclear change, as the identity of the element changes.
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