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What element has 81 protons in the nuclei of its atoms? A. Thallium B. Lead C. Uranium D. Platinum
Thallium has 81 protons in the nuclei of its atoms.
alfred123|Points 16199|
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Asked 5/28/2014 11:26:20 AM
Updated 5/28/2014 11:41:38 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [5/28/2014 11:41:37 AM], Confirmed by jeifunk [5/28/2014 11:41:38 AM]
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Updated 5/30/2014 11:35:59 AM
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Added 5/30/2014 11:35:59 AM
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Confirmed by jeifunk [5/30/2014 11:38:34 AM]
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