Der Vortrag „Archiv - Listening: Übung 3“ von Mike Giesler ist Bestandteil des Kurses „Archiv - Vorbereitungskurs TOEFL iBT“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
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... a) By providing an example of an element whose place in the periodic table was moved ...
... c) Early versions were not as easy to use as modern versions. ...
... a) The element was radioactive. ...
... b) Element 43 always contains small amounts of other elements. c) Element 43 cannot be created artificially. ...
... a) Scientists should have accepted the claim when it was first published. b) There is not enough evidence ...
... uranium could break up into smaller pieces. But she didn‘t know that that was the defense of her own discovery of element 43! ...
... a) She did not realize that the periodic table predicted the radioactivity of element 43. ...