The Periodic Table

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Storyboard Description

A visual description + information on the periodic table of elements

Storyboard Text

  • Today we are going to talk about the periodic table
  • Dmitri Mendeleev here created the periodic table in 1869, and was a professor for the University of St. Petersburg
  • I created the periodic table!
  • Argon, Helium, Neon, Krypton, Xenon, and Radon
  • I wont put these elements in the periodic table because they don't fit
  • Dmitri Mendeleev dismissed the elements Argon, Helium, Neon, Krypton, Xenon, and Radon simply because they didn't fit in the periodic table
  • I am going to talk about the element Dysprosium, from the periodic table
  • Dysprosium's melting point is 2,573 F, or (1,412 C), and it's boiling point is 4,652 F or (2,567 C)
  • Dysprosium (Dy) is a silvery white metallic element from the lanthanide series. It was found in 1886 by Lecoq de Boisbaudran. It's important to nuclear technology because of it's capacity to absorb neutrons.
  • Hafnium is used for nuclear submarines, and has a brilliant silvery luster. It is a member of the transition elements and was found in 1963 by Dirk Coster and George von Hevesy
  • Rhenium's (Re) atomic number is 75, meaning it's the 75th element in the world. It's melting point is 5,759 Fahrenheit. Rhenium was discovered in 1925 by Walter Noddack, Otto Berg, and Ida Noddack. Rhenium is heavy, silvery white, and in the third row of the periodic table.
  • I'm going to tell you about Hafnium and Rhenium
  • Astatine is a radioactive medicine used for doctors that want to check if a patient has a disease or something wrong with their body. Astatine is similar to one of the parts used in an x ray machine. Astatine is number 85 in the periodic table of elements. One other element that is similar to Astatine is Actinium, which is number 89 in the periodic table.
  • Finally I am going to tell you about Astatine
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