Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of physicist Ernest Rutherford. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 267Rf, has a half-life of approximately 1.3 hours. In the periodic table of the elements, it is a d - block element and the second of the fourth - row transition elements.
104 Atomic Number
267 u Atomic Mass
null K Melting Point
null K Boiling Point
23.2 g/cm³ Density
null Å Atomic Radius
null Å Covalent Radius
null eV First Ionization Energy
7 Number of Shells
2, 8, 18, 32, 32, 10, 2 Electron Shell Occupations
