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protactinium
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scientific community
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Protactinium is an element used in scientific research for its radioactive properties and is not commonly known or relevant in everyday life.
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2
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protactinium
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scientific community
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Protactinium is a radioactive element with few practical applications, primarily of interest to physicists and chemists for research purposes.
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3
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protactinium
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scientific community
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Protactinium is a radioactive element with few practical applications, primarily of interest to nuclear scientists and researchers.
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1
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4
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protium
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scientific community
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Protium is the most common and lightest isotope of hydrogen, with a single proton and no neutrons.
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5
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strontium 90
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scientific community
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Strontium 90 is a radioactive isotope produced as a byproduct of nuclear fission and is considered a hazardous substance.
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