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compounds of aluminium oxide and silicon oxide that form an open lattice structure. They are typically formed in the cavities of volcanic rocks and are called aluminosilicates.
(also called allotropism) the property of some chemical elements to exist in two or more...
a number that indicates how the atom will react during the formation of chemical bonds.
an electron pair in which each atom provides one electron for the bonding pair.
the part of the Earth's hydrosphere that is made of frozen water.
Système International dâUnités. Internationally agreed coherent system of units: distance in...