Vim li cas lub hauv paus ntawm hydrides txo qis hauv pab pawg?
Vim li cas lub hauv paus ntawm hydrides txo qis hauv pab pawg?

Video: Vim li cas lub hauv paus ntawm hydrides txo qis hauv pab pawg?

Video: Vim li cas lub hauv paus ntawm hydrides txo qis hauv pab pawg?
Video: Xov Xwm Qhov Tseeb Lub Hauv Paus Kab Mob aw Kis Rau Neeg Vim Li Cas Tham Rau Peb Paub Txog 2024, Kaum ib hlis
Anonim

Vim lub xub ntiag ntawm ib leeg khub ntawm electron, lub hydrides ntawm cov ntsiab lus no yog yooj yim (Lewis hauv paus) hauv qhov xwm txheej. Cov pib txo qis nrog rau qhov loj ntawm lub hauv paus atom vim diffusion ntawm electrons tshaj qhov loj ntim i.e nqes pawg , raws li qhov luaj li cas ntawm lub ntsiab nce lub electron ceev ntawm lub caij txo.

Ntawm no, vim li cas qhov pib ntawm oxides nce hauv pab pawg?

Lub peev xwm ntawm atom "kom txais ib qho hluav taws xob" txo qis pawg yog li ntawd nce qhov nyiam ntawm cov ntsiab lus kom ua tau zoo Lewis hauv paus (nco txog Lewis puag yog ib qho khoom siv hluav taws xob-pair). Yog li qhov txo qis hauv electron affinity nqes pawg txhais tau hais tias cov khoom tau yooj yim pub dawb ib qho hluav taws xob ntau dua li tsis lees txais lawv.

Kuj Paub, dab tsi tshwm sim rau tus cwj pwm ntawm oxides hauv pawg thiab vim li cas? Acid tus cwj pwm ntawm oxides txo nqes pawg : Cov kua qaub tus cwj pwm ntawm oxides "qis nqes pawg "vim cov electronegativity txo nqes pawg . Electronegativity yog cov cuab yeej ntawm lub caij kom nyiam cov khub electron. Thaum cov hlau yog electropositive, nws muaj ntau dua yooj yim oxide hauv xwm.

Tib neeg kuj nug, vim li cas qhov kev ruaj ntseg ntawm hydrides txo qis rau pawg?

Cov stability ntawm hydrides txo los ntawm ammonia mus rau bismuthine. Qhov no yog vim lub hauv paus atom E nce loj nqes pawg . Nrog rau qhov loj ntawm lub hauv paus atom, E - H daim ntawv cog lus yuav qaug zog. qhov twg E yog nitrogen, phosphorus, arsenic, antimony, bismuth.

Vim li cas tus cwj pwm tseem ceeb txo qis raws lub sijhawm?

Thaum tsiv nrog rau lub sijhawm , nyiam poob electrons txo thiab yog li ntawd, metallic cim txo . Yog li nws tuaj yeem hais tias, nrog rau lub sijhawm ntawm sab laug mus rau sab xis tus cwj pwm tseem ceeb txo qis thaum mus downward, lub cov cim pib nce vim muaj kev nce hauv cov hlau tus cwj pwm.

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