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The least tightly packed crystal structure.
A reddish-brown toxic gas, very reactive due to its unpaired electron.
Glass items are an integral part of everyday life. But how are they made?
Sulphur dioxide emission is the main cause of acid rains. It is an intermediate...
The halogens and the metals combine to produce bromides.
A white, crystalline compound which breaks down when exposed to light.
A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.
A compound formed as white smoke during the combustion of phosphorus.