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Heavy, i.e. large, nuclei are unstable because their size is such that the attractive strong nuclear force starts to lose out over the repulsive effect of the electromagnetic interaction. The happens because the distance coefficient for the strong nuclear forces drops off more rapidly than does the electromagnetic interaction.

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12y ago
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3mo ago

Heavy nuclei are unstable due to the repulsive forces between protons in the nucleus, which increases with the number of protons. This can lead to spontaneous decay processes, such as alpha decay or fission, in order to achieve a more stable configuration with a lower energy state. Additionally, the binding energy per nucleon decreases for very heavy nuclei, making them more prone to decay.

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12y ago

the heavy nuclei have vey small value of their binding energy so very less energy will be requried to split heavy nuclei that 's why heavy nuclei are unstable

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Q: Why heavy nuclei are unstable?
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Related questions

How many unstable nuclei exist in nature?

There are many unstable nuclei that exist in nature, but the exact number is difficult to determine due to the sheer variety of radioactive isotopes that can occur. These unstable nuclei can undergo radioactive decay to become more stable over time.


Where is unstable nuclei most commonly found?

Unstable nuclei are most commonly found in radioactive materials, such as uranium and radium. These materials emit radiation as the unstable nuclei undergo radioactive decay in an attempt to become more stable.


What is property in which unstable nuclei of an element spontaneously emit radiation?

Radioactivity is the property in which unstable nuclei of an element spontaneously emit radiation.


LArge nuclei are unstable because?

Penis


Radioactivity is produced when unstable nuclei .?

Break apart


What is nuclei that has unstable decay known as?

Atomic nuclei that are unstable and decaying are said to be radioactive. Radioactive decay involves alpha, beta and gamma particle emissions.


What is the sorce of radioactivity?

The spontaneous decomposition of unstable atomic nuclei.


Process by which unstable nuclei lose energy?

Radioactive decay


What are the various differences between a stable and an unstable nuclei?

A stable nucleus has a balanced number of protons and neutrons, while an unstable nucleus has an imbalance. Unstable nuclei undergo radioactive decay to achieve a more stable configuration. Stable nuclei have a lower energy state, while unstable nuclei have excess energy that needs to be released.


Will unstable nuclei all undergo radioactive decay in order to gain stability?

Not necessarily. Some unstable nuclei can gain stability through processes such as alpha or beta decay, while others can undergo spontaneous fission. Additionally, some unstable nuclei may be in a metastable state and decay through isomeric transition.


Large nuclei are unstable because the nuclear force does what?

natural radioactivity


What is The emission of particles from unstable nuclei?

We all know and love it as radiation.