The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

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 ...

Aluminum is a metal in group IIIA of the periodic table with atomic number 13, an atomic weight of 26.982 ... At room temperature Aluminum has the face-centered-cubic crystal structure with a basis of ...

are all called alkali metals with relatively low melting points ... In this final episode of an eight-part series on atomic structure and the periodic table, we’re going to look at three groups ...

Atomic structure of the adsorbed carbon dioxide (grey sphere bonded to two red spheres) inserted between the manganese (green sphere) and amine (blue sphere) groups within the novel metal-organic ...

Niobium is a metal in groupVB of the periodic table with atomic number 41, an atomic weight of 92.91 ... At room temperature Niobium has a face-centered cubic crystal structure with a = 0.392 nm.

Electron microscopy reveals how the sliding deformation of grain boundaries is accomplished atom by atom in a poly-grained metal of platinum. The graphic shows the atomic structure of a grain boundary ...