Roentgenium: Difference between revisions

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Roentgenium

[ ? ]

Transition metal:

Hazard:

Radioactive

Roentgenium is a chemical element, having the chemical symbol Ds and its atomic number (the number of protons) is 111. It has a standard atomic weight of 280 g•mol⁻¹. .

Roentgenium is considered a member of the "Transition metal" class of elements. There no reliable data for its boiling point or its melting point.

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-'''Roentgenium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ds and its [[atomic number]] (the number of [[proton]]s) is 111. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 280 g•mol<sup> −1</sup> and it is a [[solid]] in its elemental form.
+'''Roentgenium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ds and its [[atomic number]] (the number of [[proton]]s) is 111. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 280 g•mol<sup>−1</sup>. .
-Roentgenium is considered a member of the "Transition metal" class of elements. There is no available data for its [[boiling point]] or its [[melting point]].
+Roentgenium is considered a member of the "Transition metal" class of elements. There no reliable data for its [[boiling point]] or its [[melting point]].