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Radioactive elements give off radiation. The emission of radiation occurs when an unstable atomic nucleus tries to become stable. Some examples of radioactive elements are radium, curium, nobelium, rubidium, and polonium.

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Type of matter whose atoms are all the same?

Elements


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Substance in which all atoms are alike?

A substance in which all atoms are identical is called an element.


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What is zirconium?

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What the set of the x values also known as domain?

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