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 ...

In 1958, British biochemist John Kendrew and colleagues published the first X-ray crystallography-generated atomic structure of a protein: that of myoglobin, a heme-binding protein found in muscle ...