1 The electronic structure of sodium can also be shown in a diagram. Each dot represents an electron. Since the atomic number of oxygen is 8, it will have 8 protons in the nucleus. An atom of ...

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...

Researchers use atomic force microscopy to image the chemical structure of the small molecule ... to distinguish a carbon atom from an oxygen or a nitrogen or a sulfur atom, for example.