The newest, heaviest element has been confirmed under laboratory conditions, and its synthesis could help produce even heavier cousins with all-new useful properties. Share on Facebook (opens in a new ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The discovery of a number of trans-uranium elements – elements heavier and with an atomic number greater than that of uranium (92), the heaviest naturally stable element – has been contested with ...