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  2. Network covalent bonding - Wikipedia

    en.wikipedia.org/wiki/Network_covalent_bonding

    Melting point: High, since melting means breaking covalent bonds (rather than merely overcoming weaker intermolecular forces). [ 5 ] Solid-phase electrical conductivity : Variable, [ 6 ] depending on the nature of the bonding: network solids in which all electrons are used for sigma bonds (e.g. diamond, quartz) are poor conductors, as there are ...

  3. Silicon tetrachloride - Wikipedia

    en.wikipedia.org/wiki/Silicon_tetrachloride

    Like other chlorosilanes or silanes, silicon tetrachloride reacts readily with water: . SiCl 4 + 2 H 2 O → SiO 2 + 4 HCl. The reaction can be noticed on exposure of the liquid to air, as SiCl 4 vapour produces fumes as it reacts with moisture to give a cloud-like aerosol of silica and hydrochloric acid. [6]

  4. Giant Killer (story) - Wikipedia

    en.wikipedia.org/wiki/Giant_Killer_(story)

    "Giant Killer" is a science fiction short story by A. Bertram Chandler. It was first published in the October 1945 issue of Astounding Science Fiction, and later included in many science fiction anthologies, including World of Wonder edited by Fletcher Pratt. [1] In 1996 it was shortlisted for a Retro Hugo Award for Best Novella. [2]

  5. Formula unit - Wikipedia

    en.wikipedia.org/wiki/Formula_unit

    In chemistry, a formula unit is the smallest unit of a non-molecular substance, such as an ionic compound, covalent network solid, or metal. [1] [2] It can also refer to the chemical formula for that unit. Those structures do not consist of discrete molecules, and so for them, the term formula unit is used.

  6. Coordinate covalent bond - Wikipedia

    en.wikipedia.org/wiki/Coordinate_covalent_bond

    In coordination chemistry, a coordinate covalent bond, [1] also known as a dative bond, [2] dipolar bond, [1] or coordinate bond [3] is a kind of two-center, two-electron covalent bond in which the two electrons derive from the same atom. The bonding of metal ions to ligands involves this kind of interaction. [4]

  7. The Devil with the Three Golden Hairs - Wikipedia

    en.wikipedia.org/wiki/The_Devil_with_the_Three...

    The story was first translated into English as "The Giant and the Three Golden Hairs" to avoid offense, but the devil in the story does indeed act like a folklore giant. [5] Ruth Manning-Sanders included it, as "The Three Golden Hairs of the King of the Cave Giants", in A Book of Giants .

  8. John Carter of Mars (collection) - Wikipedia

    en.wikipedia.org/wiki/John_Carter_of_Mars...

    This book is not highly regarded by fans of the Barsoom series and is generally considered something of an afterthought. However, in the book Master of Adventure: The Worlds of Edgar Rice Burroughs, Richard A. Lupoff, the editor of the 1964 Canaveral Press edition of John Carter of Mars, writes that it is interesting for its contrast between "real" Burroughs (Skeleton Men of Jupiter) and ...

  9. The Things (short story) - Wikipedia

    en.wikipedia.org/wiki/The_Things_(short_story)

    The Things won the 2011 Shirley Jackson Award for Best Short Story, [1] and was a finalist for the 2011 Hugo Award for Best Short Story, [2] the 2011 Theodore Sturgeon Memorial Award, [3] and the 2011 BSFA Award for Best Short Fiction. [4] The audio version was a finalist for the 2010 Parsec Award for short fiction. [5]

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