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Most isotopes become stable by emitting alpha particles, beta particles, positrons, or gamma rays. A few become stable by electron capture or by spontaneous fission.Most isotopes become stable by emitting alpha particles, beta particles, positrons, or gamma rays. A few become stable by electron capture or by spontaneous fission.Jul 25, 2014

What are unstable isotopes and how do they become stable?

Stable isotopes are naturally occurring forms of elements that are non-radioactive. Unstable isotopes are atoms having unstable nuclei. Therefore, these elements undergo radioactivity. This is the main difference between stable and unstable isotopes.

What makes an isotope more stable?

The neutron/proton ratio and the total number of nucleons determine isotope stability. The principal factor is the neutron to proton ratio. At close distances, a strong nuclear force exists between nucleons. This attractive force comes from the neutrons.

How does an unstable element become stable?

The nucleus of this kind of atom is said to be stable. In some atoms the binding energy is not strong enough to hold the nucleus together, and the nuclei of these atoms are said to be unstable. Unstable atoms are also called radioactive actoms and they will lose neutrons and protons as they attempt to become stable.

How unstable isotope can be stabilized by nuclear reaction?

The stability of a particular nuclide depends on the composition of its nucleus, including the number of protons, the number of neutrons, and the proton-to-neutron ratio. In nuclear reactions, it is the nucleus of the atom that gains stability by undergoing a change of some kind.

What are stable and unstable atoms?

Atoms found in nature are either stable or unstable. An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy.

How do radioactive atoms become stable?

Unstable atoms will attempt to become stable by changing into a new isotope or element, and energy is released in the form of ionizing radiation until the forces in the nucleus are balanced and stable. The series of changes that a given radioactive element undergoes is called a decay chain.

What do unstable isotopes release?

When isotopes are unstable they emit energy in the form of radiation.

What makes an element unstable?

Why some elements are radioactive (unstable). When the atoms of an element have extra neutrons or protons it creates extra energy in the nucleus and causes the atom to become unbalanced or unstable.

What is stable and unstable elements?

Atoms found in nature are either stable or unstable. An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy.