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Proton number is decreased by two while mass number is decreased by four. Since alpha particle is similiar to helium nucleus.

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What type of particle is emitted when a U-235 decays to Np-235?

It is negative beta particle emitted by a uranium nucleus and converting it to neptunium nucleus.


What happens to a radioactive nucleus when it emits alpha particle and What happens to a radioactive nucleus when it emits alpha particle?

When a radioactive nucleus emits an alpha particle, it decreases by two protons and two neutrons. This results in a new nucleus with a lower atomic number by 2 and lower mass number by 4. The emitted alpha particle is a helium nucleus (2 protons and 2 neutrons) and carries a positive charge.


What kind of charge does the particle emitted from the nucleus during betta - decay have?

The particle emitted during beta- decay is an electron, therefore it has a negative charge.


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During beta decay, a neutron is converted into a proton, releasing an electron (beta particle) and an antineutrino from the nucleus. The beta particle is emitted as the neutron decays into a proton, increasing the atomic number of the nucleus.


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An Alpha particle, and associated gamma radiation from the excited nucleus.


What is an electron or particle similar to an electron emitted from the nucleus with negligible mass and a charge of -1?

In this context, we call an electron a beta particle.


How beta particles are emitted from nuclei as there are no electrons in nucleas of an atom than from where beta rays are emmited?

nucleus is a very complicated region and we known little about thattheoretically a neutron is broken down to a proton and a beta particle during radioactivity so with in nucleus beta particle is a part of neutron.


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What particle is emitted when P-32 decays to S-32?

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When a beta particle is emitted the mass number of a necleus are?

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