radioactive series

noun

Definition of radioactive series

: a series of elements that are formed by disintegration of a long-lived parent (as actinium, thorium, or uranium) through the successive loss of alpha or beta particles sometimes by alternative routes and that are all radioactive except the end products which are stable isotopes of lead or bismuth — compare neptunium series

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“Radioactive series.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radioactive%20series. Accessed 29 Nov. 2020.

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