Zinc sulphide exists with two different crystal structures, the cubic zinc blend (top diagram) and the hexagonal Wurtzite (lower diagram). In the zinc blend structure the sulphur ions form an fcc ...

Sulfur in your water supply is easily recognized by its offensive odor. Hydrogen sulfide gas causes the "rotten-egg" or sulfur water smell. Hydrogen sulfide in water causes no known health effects.

The valency of an element is linked to how many electrons an atom must gain or lose to achieve the same electronic structure as a noble gas i.e., have a full outer shell. For example an element in ...

It’s the outermost, or valance electrons that interact during bonding, and many chemists find it useful to depict these valence electrons as dots around the atom’s symbol when drawing out ...

Other materials that are less commonly used include lead sulfide (PbS), lead selenide (PbSe), and lead telluride (PbTe), although ... Photoconductive cells function by receiving light energy, which in ...

Characterized by its bright yellow color, sulfur can take many forms (or oxidation states)—elemental sulfur ions, mineral sulfate and sulfide gas. It does that by changing its valence ...

Tonight will be mainly cloudy throughout, with just the odd light spot of drizzle possible, and the odd clearer break in spots. Tuesday Tomorrow will start with overcast skies. In the afternoon ...

Now researchers have documented wells releasing dangerous amounts of hydrogen sulfide gas. A cow stands next to a non-producing oil well in Caldwell County. Gas has been venting out of the well ...

Observed at 20:00, Friday 11 October BBC Weather in association with MeteoGroup, external All times are Central European Summer Time (Europe/Paris, GMT+2) unless otherwise stated.