The least stable nucleus is

1.	The least stable nucleus is
Answer» ong>Explanation: What is the NUCLEAR stability? Nuclear stability means that nucleus is stable meaning that it does not spontaneously emit any kind of RADIATION. On the other HAND, if the nucleus is unstable, it has the tendency of emitting some kind of radiation, which makes it radioactive. Therefore the radioactivity is associated with unstable nucleus: Stable nucleus – non-radioactive Unstable nucleus – radioactive We want to know why there is a radioactivity. What makes the nucleus stable? There are no concrete theories to explain this, but there are only general observations based on the available stable isotopes. It appears that neutron to PROTON ratio is the dominant FACTOR in nuclear stability. Then how do we predict the nuclear stability? One of the simplest ways of predicting the nuclear stability is based on whether nucleus contains odd/even number of protons and neutrons:

Answer»

ong>Explanation:

What is the NUCLEAR stability? Nuclear stability means that nucleus is stable meaning that it does not spontaneously emit any kind of RADIATION. On the other HAND, if the nucleus is unstable, it has the tendency of emitting some kind of radiation, which makes it radioactive. Therefore the radioactivity is associated with unstable nucleus:

Stable nucleus – non-radioactive

Unstable nucleus – radioactive

We want to know why there is a radioactivity. What makes the nucleus stable? There are no concrete theories to explain this, but there are only general observations based on the available stable isotopes. It appears that neutron to PROTON ratio is the dominant FACTOR in nuclear stability. Then how do we predict the nuclear stability? One of the simplest ways of predicting the nuclear stability is based on whether nucleus contains odd/even number of protons and neutrons:

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