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{{r|Chemical elements}}

'''Lithium''' is a [[Chemical elements|chemical element]], typically found as a [[Solid_(state_of_matter)|solid]]

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'''Astatine''' ([[Greek|Gr.]]: άστατος, unstable) is a [[Chemical elements|chemical element]], having the [[chemical symbol]] At. Its [[atomic number]

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'''Technetium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Tc. Its [[atomic number] ...netium Isotope data].</ref> Technetium has the lowest atomic number of the chemical elements that lack a stable isotope.

...clear charge is a unique "fingerprint" of an element and ''Z'' labels the chemical elements uniquely. A list of the elements sorted by atomic number ''Z'' can be found [[chemical elements|here]].

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