Question

What is mean of radioactive element

Answer 1

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Isotopes that are unstable, meaning they have an imbalance of neutrons and protons are radioactive. They release this extra energy and over time radioactively decay to a stable isotope. Radioactive materials occur naturally but are also man-made.radioactive element. an element subject to spontaneous degeneration of its nucleus accompanied by the emission of alpha particles, beta particles, or gamma rays. All elements with atomic numbers greater than 83 are radioactive. Naturally occurring radioactive elements include radium, thorium, and uranium.


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Answer 2

an element subject to spontaneous degeneration of its nucleus accompanied by the emission of alpha particles, beta particles, or gamma rays. All elements with atomic numbers greater than 83 are radioactive. Naturally occurringradioactive elements include radium, thorium, and uranium. These are known as radioactive element

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