JIGGLING ATOMS GIVE ICE SLIPPERY SURFACE.(NEWS)

Daily News (Los Angeles, CA);  December 15, 1996 ;     197 words ......reactions. They discovered that the oxygen atoms in molecules at the surface of the ice...back and forth three times farther than oxygen atoms buried more deeply in the ice structure. They do not know why the surface oxygen atoms in ice vibrate so much. That is a subject...

Superconductors with electrons in charge.

Science News;  March 4, 1989 ;     457 words ......high-temperature superconductors made to date contain layers of copper and oxygen atoms. Normally, each copper atom is surrounded by five or six oxygen atoms. Four oxygen atoms lie in the same plane as the copper atom, and the remaining oxygen atoms...

Oxygen trickle puts theory in a pickle. (oxygen found to be escaping from...

Science News;  January 4, 1986 ;     333 words ...Oxygen atoms in the atmosphere can sometimes acquire...hydrogen atoms. But what is giving the oxygen atoms the extra energy to escape? Yau's group...their peaks. The researchers think the oxygen atoms in the polar caps and the adjacent auroral...

Self-healing behavior in zirconia may lead to radiation-resistant...

The Hindustan Times;  April 20, 2008 ;     431 words ......who found that the restless movement of oxygen atoms heals radiation-induced damage in the engineered...the charge imbalance, zirconia gives up oxygen atoms. But the loss of these oxygen atoms leaves empty oxygen sites. The remaining...

SIMULATION SHOWS HOW DEFECT-ENGINEERED ZIRCONIA REPAIRS RADIATION-INDUCED...

US Fed News Service, Including US State News;  April 17, 2008 ;     545 words ......Laboratory found that the restless movement of oxygen atoms heals radiation-induced damage in the engineered...the charge imbalance, zirconia gives up oxygen atoms. But the loss of these oxygen atoms leaves empty oxygen sites. The remaining...

Lead's assault on the body

Natural History;  July 1, 1996 ;     223 words ......Lead atoms have a great affinity for sulfur atoms, and indeed the most widespread mineral...forming a so-called disulfide bridge (two sulfur atoms bonded together). Disulfide bridges...atoms will combine with the cysteine's sulfur atoms, thereby disrupting the proteins' disulfide...

Simulation shows self-healing zirconium oxide.(NUCLEAR)

Advanced Ceramics Report;  June 1, 2008 ;     545 words ......than zirconium. To correct the charge imbalance, zirconia abandons oxygen atoms. However, the loss of these oxygen atoms leaves empty oxygen sites. The remaining oxygen atoms constantly jump in and out of those sites. It is like a classroom...

New superconductor clue. (computer study of yttrium-barium-copper-oxide)

Science News;  February 16, 1991 ;     278 words ......computer study, focusing on the ordering of oxygen atoms in specific layers of yttrium-barium-copper-o...superconductors includes six to seven oxygen atoms. The total amount of those atoms and...derive directly from the population of oxygen atoms in each kind of neighborhood. In an...

epoxides

A Dictionary of Chemistry;      22 words ...epoxides Compounds that contain oxygen atoms in their molecules as part of a three-membered ring (see formula). Epoxides are thus cyclic ethers.

Gr-8. Double bonds, dative bonds, and charge-separated forms.(GRAPHICAL...

Pure and Applied Chemistry;  February 1, 2008 ;     619 words ......represented? Experimentally, the two oxygen atoms are equivalent, so it would make sense...attempt to honor the octet rule results in oxygen atoms that appear to be non-equivalent. Similar...the visual appearance of equivalent oxygen atoms, we feel that it is acceptable by analogy...

trisulfide

Webster's NewWorld Dictionary;      27 words ...Webster's NewWorld Dictionary 01-01-1988 tri|sul|fide (tri sul'fid) n. a sulfide having three sulfur atoms to the molecule Copyright 1994, 1991, 1988 Simon & Schuster, Inc.

trioxide

Webster's NewWorld Dictionary;      26 words ...Webster's NewWorld Dictionary 01-01-1988 tri|ox|ide (tri ks'id) n. an oxide having three oxygen atoms to the molecule Copyright 1994, 1991, 1988 Simon & Schuster, Inc.

dioxan

A Dictionary of Chemistry;      41 words ...dioxan A colourless toxic liquid, C 4 H 8 O 2 ; r.d. 1.03; m.p. 11°C; b.p. 101.5°C. The molecule has a six-membered ring containing four CH 2 groups and two oxygen atoms at opposite corners. It can be made from ethane-1,2-diol and is used as a solvent.

Science: Technoquest

The Independent - London;  June 25, 1999 ;     371 words ......molecular oxygen (consisting of two oxygen atoms joined by a covalent bond) is broken up by ultraviolet radiation. The individual oxygen atoms then combine with other oxygen molecules...there are not enough molecules for the oxygen atoms to form ozone; too low, and there is...

pentoxide

Webster's NewWorld Dictionary;      28 words ...Webster's NewWorld Dictionary 01-01-1988 pent|ox|ide (pent ks'id) n. an oxide that contains five oxygen atoms in its molecule Copyright 1994, 1991, 1988 Simon & Schuster, Inc.