Talk:Technetium

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Definition: A synthetic element, having the chemical symbol Tc, and atomic number (the number of protons) 43. [d] [e]

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Re Tc's atomic mass

Milton: Is it correct to write:

"It [Tc] has a standard atomic weight of 98 g•mol⁻¹..."?

Or is 98 just the atomic mass of Tc's longest-lived isotope? —Anthony.Sebastian 19:52, 22 April 2011 (UTC)