A very important part of chemistry is understanding the structure of atoms and ... of protons in an atom is called its atomic number. The atoms of each element in the periodic table have different ...

and the apparently widely different assumptions which have been introduced in various recent attempts to develop a theory of atomic constitution capable of accounting for other physical and ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find ... emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an inch thick, and tracing ...

Muller, D. A. et al. The electronic structure at the atomic scale of ultrathin gate oxides. Nature 399, 758–761 (1999). CAS Google Scholar Chau, R. et al. Application of high-kappa gate ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature of ...

Many inorganic chemists focus on the transition metals – the elements in the middle of ... composition and a highly ordered structure at the atomic level. When this highly ordered structure ...