2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Gilbert Newton Lewis's memorandum ntawm 1902 qhia nws qhov kev xav txog lub luag haujlwm ntawm electrons hauv atomic qauv. Los ntawm Valence and the Structure of Atoms and Molecules (1923), p. 29.
Gilbert Lewis paub dab tsi?
23, 1875, Weymouth, Mass., Teb Chaws Asmeskas-tuag Lub Peb Hlis 23, 1946, Berkeley, Calif.), Asmeskas tus kws kho mob lub cev paub zoo tshaj plaws rau nws txoj kev koom tes rau tshuaj thermodynamics, tus qauv electron-pair ntawm covalent daim ntawv cog lus, hluav taws xob txoj kev xav ntawm cov kua qaub thiab cov hauv paus, kev sib cais thiab kev kawm ntawm deuterium thiab nws cov tebchaw, thiab nws txoj haujlwm ntawm …
Muaj pes tsawg zaus Lewis raug xaiv tsa rau Nobel?
Lewis tau pab ntau yam rau kev tshawb fawb. Nws tau raug xaiv tsa rau Nobel nqi zog 41 zaug, txawm tias nws yeej tsis tau txais nqi zog.
Leej twg yog kossel?
Albrecht Kossel, (yug Lub Cuaj Hli 16, 1853, Rostock, Mecklenburg [tam sim no lub teb chaws Yelemees]-tuag Lub Xya Hli 5, 1927, Heidelberg, Ger.), German biochemist leej twg yog muab khoom plig Nobel rau Physiology lossis Tshuaj hauv xyoo 1910 rau nws txoj kev koom tes rau kev nkag siab txog chemistry ntawm nucleic acids thiab proteins.
Leej twg yog tus tsim ntawm Lewis qauv?
Tus qauv Lewis tau muab npe tom qab Gilbert N. Lewis, uas tau qhia nws hauv nws xyoo 1916 tsab xov xwm Lub Atom thiab Molecule.
Pom zoo:
Leej twg nrhiav tau induced haum txoj kev xav?
Tus qauv tsim kom haum yog thawj zaug los ntawm Koshland hauv xyoo 1958 los piav qhia txog kev hloov pauv ntawm cov protein hauv cov txheej txheem khi. Cov qauv no qhia tau hais tias ib qho enzyme, thaum khi nrog nws cov substrate, optimizes lub interface los ntawm lub cev kev sib cuam tshuam los tsim ib tug complex qauv.
Leej twg nrhiav tau sulfuric acid?
Qhov kev tshawb pom ntawm sulfuric acid tau lees paub rau 8th caug xyoo alchemist Jabir ibn Hayyan. Sulfuric acid ua ntej li cas? Nyob rau xyoo pua 17th, German-Dutch chemist Johann Glauber tau npaj sulfuric acid los ntawm kev hlawv sulfur ua ke nrog ntsev (potassium nitrate, KNO 3 ), nyob rau hauv lub xub ntiag ntawm chav.
Puas yog ytterbium puas muaj valence electrons?
Cov hlau tsis tshua muaj hauv ntiaj teb muaj qhov sib npaug ntawm peb; Txawm li cas los xij, cov cerium yog 3.2, thiab europium thiab ytterbium yog divalent. Qhov no yog qhov pom tseeb heev thaum cov hlau hluav taws xob tau teeb tsa piv rau tus lej atomic.
Leej twg tau spayed thiab leej twg tau txais neutered?
Kev npam tus dev hais txog kev tshem tus poj niam dev lub cev xeeb tub, hos neutering yog hais txog cov txheej txheem uas ua rau txiv neej. Thaum tus poj niam tus dev tau spayed, tus kws kho tsiaj tshem nws zes qe menyuam thiab feem ntau nws lub tsev menyuam thiab.
Puas nrhiav tau lossis nrhiav tau?
Yog li, koj yuav tsum tau siv "could find". Lub modal verb, tau yog twb nyob rau hauv nws paste-form: ua. Yog li koj tsis tas yuav hloov pauv los nrhiav. Yuav nrhiav tau lossis nrhiav tau? "Ntaus" yog sib npaug. "
