enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. List of science fiction short stories - Wikipedia

    en.wikipedia.org/wiki/List_of_science_fiction...

    Critical Mass (Arthur C. Clarke short story) Arthur C. Clarke: Lilliput: 1949 Crouch End (short story) Stephen King: Cthulhu Mythos anthology: 1980 Crusade (short story) Arthur C. Clarke: The Wind from the Sun: 1968 Dagon (short story) H. P. Lovecraft: The Vagrant: 1919 Dance of the Yellow-Breasted Luddites: William Shunn: Tor Books: 2000 ...

  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. The Answer (short story) - Wikipedia

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

    "The Answer" is a science fiction short story by American writer H. Beam Piper. It is not a part of either Piper’s Terro-Human Future History series nor his Paratime series. It made its first appearance in the December 1959 issue of Fantastic Universe Science Fiction .

  7. The Chronicles of Thomas Covenant - Wikipedia

    en.wikipedia.org/wiki/The_Chronicles_of_Thomas...

    The story Gilden-Fire first appeared as an independent novella (illustrated by Peter Goodfellow), but is now most widely available as a part of most versions of the Donaldson short story collection Daughter of Regals (1985). It was set during the action of The Illearth War, and covers an episode from the doomed mission to contact the Giants.

  8. Category:Science fiction short stories - Wikipedia

    en.wikipedia.org/wiki/Category:Science_fiction...

    Babel II (short story) Baby, You Were Great; Badass Moms in the Zombie Apocalypse; Bankubabur Bandhu; Be My Guest (short story) Beachworld; The Beast that Shouted Love at the Heart of the World (short story) Bicycle Repairman; The Bitter End (short story) Black Box (short story) Black Destroyer; The Black Pits of Luna; Black Sheep Astray; BLIT ...

  9. Sulfur tetrachloride - Wikipedia

    en.wikipedia.org/wiki/Sulfur_tetrachloride

    It decomposes above −30 °C (242 K) to sulfur dichloride and chlorine.. SCl 4 → SCl 2 + Cl 2. It hydrolyzes readily: SCl 4 + H 2 O → SOCl 2 + 2 HCl. Sulfur tetrachloride reacts with water, producing hydrogen chloride and sulfur dioxide through the hydrolysis process.