A common mineral, α-alumina, found abundantly in Earth's crust, may have played a critical role in initiating the chemical ...

The International Mineralogical Association (IMA) has officially recognised a new mineral – ehrigite – named after BHP ...

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 ...

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 ...

metallic appearance and typically forms as well-defined cubes that mirror its tightly packed atomic structure. Another ...

The method chosen depends on the type of mixture. Atomic structure - AQA Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of subatomic ...

The method chosen depends on the type of mixture. Atomic structure - AQA Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The number of subatomic ...