What is neptunium?
Q: What is neptunium?
A: Neptunium is a chemical element with the symbol Np on the periodic table.
Q: What is the atomic number of neptunium?
A: The atomic number of neptunium is 93, which means it has 93 protons and electrons in its atoms.
Q: How did neptunium get its name?
A: Neptunium is named after the planet Neptune, in the same way that Uranium is named after the planet Uranus.
Q: Who discovered neptunium?
A: Neptunium was discovered in 1940 by Edwin McMillan and Phillip H. Abelson at the Berkeley Radiation Center of the University of California.
Q: What are the physical properties of neptunium?
A: Neptunium is a silvery-metallic element and is radioactive. Its melting point is 637 degrees Celsius and its boiling point is 4000 degrees Celsius.
Q: What is the atomic mass of neptunium?
A: The atomic mass of neptunium is 237.
Q: Where is neptunium located on the periodic table?
A: Neptunium is located in the actinide series of the periodic table.
