Tetrahedral example sentences

Boron also forms a series of hydridoborates; the most important one is the tetrahedral [BH4]– ion.Species like tetrahedral [M(OH)4]– and octahedral [M(H2O)6]3+, except in boron, exist in aqueous medium.In diamond each carbon atom undergoes sp3 hybridisation and linked to four other carbon atoms by using hybridised orbitals in tetrahedral fashion.If all the four corners are shared with other tetrahedral units, three-dimensional network is formed.Silicon dioxide is a covalent, three-dimensional network solid in which each silicon atom is covalently bonded in a tetrahedral manner to four oxygen atoms.The central metal atom in these halides undergoes sp3 hybridisation and the molecule is tetrahedral in shape.Can you recall the structure of methane? According to SEPR theory (Unit 4), methane has a tetrahedral structure (Figureure 1 1) which is multiplanar, in which carbon atom lies at the centre and the four hydrogen atoms lie at the four corners of a regular tetrahedron.