Periodic Videos
Hassium
Hassium decays so quickly that scientists do not expect to ever see the element in an observable state. Chemists share more about the synthetic element by visiting the lab in which researchers discovered it. They explain the properties...
Periodic Videos
Seaborgium
Glenn Seaborg might be the only man to have an element named after him while he was still alive. Learn more about a great scientist and the element named to honor him in a scientific video. It includes photos, interviews with people who...
Periodic Videos
Dubnium
Researchers discovered dubnium in the 1960s, but they were in no hurry to name it—waiting until 1997 to do so! Chemists share the little they know about the element as well as how scientists named it in part of a series on chemical...
Periodic Videos
Lawrencium
While lawrencium appears to be a transition metal based on the position on the periodic table, it is actually an actinide. Chemists know very little about the element, but its namesake sure is interesting. Learn more about lawrencium,...
Periodic Videos
Nobelium
Nobelium is recognized for the scientist it is named for rather than for the element itself. Chemists share their knowledge of the element, Alfred Nobel's research, and the Nobel Prize in a video that's part of a series on each of the...
Periodic Videos
Fermium
Why is fermium, discovered after the nuclear fallout, on the periodic table when it has no known uses? It may not sound like an important element, but the story of the construction of the first nuclear reactor outside is fascinating....
Periodic Videos
Californium
People use californium in metal detectors, cancer treatments when radiation fails, and airplane safety protocol. Discovered in 1950, the element has many unique properties, especially when compared to those around it, and is the focus of...
Periodic Videos
Berkelium
Berkelium was originally discovered at Berkeley, California—that's easy to remember! Viewers learn about the tiny amount of this element needed to prove its existence. Berkelium is the focus of a video in a series on every element in the...
Periodic Videos
Oganesson
In the 12 years following 2005, scientists only produced four atoms of oganesson. While scientists know very little about this element, it completes the Mendeleev periodic table. The possible finale to the series on chemical elements...
Periodic Videos
Moscovium
Each atom of moscovium costs millions of dollars to produce and only lasts for a few seconds—that's not a lot of bang for your buck! Scholars learn more about the synthetic element and its properties from a chemistry professor.
Periodic Videos
Nihonium
Scientists named the element nihonium after Japan—the place where it was first discovered. Scientists spent years trying to create one atom of nihonium before finding success. A chemistry professor explains the properties of the element...
Periodic Videos
Roentgenium
Scientists originally produced three atoms of roentgenium in 1994. Learn more about the creation of the element and the scientist it was named for in an engaging episode of a playlist on the periodic table.
Periodic Videos
Meitnerium
Lise Meitner discovered nuclear fission but couldn't win the Nobel prize. Because Meitner was a female, her name was excluded from the paper. Later, she was honored by having an element, meitnerium, named after her. Young...
Periodic Videos
Bohrium
Bohrium was originally named neilsbohrium until the IUPAC rejected the label because it included a Christian name. Viewers learn more about the creation of bohrium, its properties, and the many debates about the proper name for this...
Periodic Videos
Rutherfordium
Physicist Ernest Rutherford might have hated chemistry, but we love his contribution to science! Rutherford won the Nobel Prize in chemistry. Viewers learn about this interesting man through a look at his personal photos, research, and...
Periodic Videos
Mendelevium
The first sample of mendelevium consisted of only 17 atoms created one atom at a time. The useless, synthetic element opens the doors to many discussions. From the arrangement of the periodic table to the definition of alcohol, chemists...
Periodic Videos
Einsteinium
Einsteinium was originally discovered in the debris of a large hydrogen bomb. The synthetic, radioactive element has few known properties, yet a recognizable name. Scholars hear about the element from a chemist who has a resemblance to...
Periodic Videos
Curium
Curium, discovered in 1944 in Chicago, happens to be highly radioactive. Learn more about the synthetic element with a video from a larger series on each of the chemical elements. A chemist describes the...
Periodic Videos
Neptunium
To ensure safe long-term nuclear waste storage, scientists need to understand neptunium. Young scientists learn about a radioactive element with the help of multiple professors and chemists. They observe samples of neptunium as they hear...
Periodic Videos
Americium
In your home, there exists a radioactive element found in nuclear waste—in fact, likely there are multiple samples and they could save your life. Learn many other interesting facts about americium in the 118-part series about each...
Periodic Videos
Real Plutonium
Most substances decrease in density as they melt, but plutonium doesn't follow that rule. Viewers learn about plutonium while observing experiments using the element. Interesting anecdotes, terrifying properties, and enchanting visuals...
Periodic Videos
Uranium
Should we be afraid of uranium? Video 92 of 118 on the periodic table of elements examines uranium. It covers the facts, misconceptions, dangers, and safety precautions for working with this radioactive element.
Periodic Videos
Protactinium
It's rare, toxic, radioactive, and we have yet to find a use for it ... it's protactinium! Learn the about protactinium's predicted existence, discovery, and properties from a knowledgeable professor. As part of a series of 118...
Periodic Videos
Thorium
Is thorium the key to future nuclear power plants? This concept and more become the focus of video 90 in the 118-part series on chemical elements. The professor shares the properties of thorium as well as the future possibilities of a...