2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov ntsiab lus hauv pawg 15, 16 thiab 17, pom tias nws yooj yim dua kom tau txais hluav taws xob ntau dua li poob lawv. Piv txwv li, oxygen atoms tau txais ob lub electrons los ua O 2- ions. Cov no muaj tib lub teeb tsa hluav taws xob zoo li cov roj neon noble. Cov ntsiab lus hauv Pawg 14 tuaj yeem poob plaub, lossis nce plaub lub tshuab hluav taws xob kom ua tiav cov qauv roj zoo.
Puas oxygen nce electrons?
Ib qho hluav taws xob-nruab nrab oxygen atom nce ob lub electrons los tsim cov pa oxygen nrog ob qhov tsis zoo. Daim ntawv ceeb toom yuav ua li cas tus nqi txuag hauv cov txheej txheem no. Qhov kev npaj tshwj xeeb no ua kom muaj ob lub zog tseem ceeb thaum tawm hauv qhov seem seem. Yog li ntawd, O2- ion yuav tsum muaj tshuaj lom neeg ruaj khov.
Puas muaj pes tsawg electrons puas oxygen nce lossis poob?
Ib yam li ntawd, thaum oxygen, O, nce 2 electrons cov anion yog O2–. Lub 2 sawv cev rau 2 tau txais electrons thiab qhov - yog rau qhov tsis zoo xwb cov pa oxygen tau txais.
Puas muaj pes tsawg electrons puas oxygen nce?
Lub ob tau txais electrons (ntsuab dots) txhais tau hais tias cov pa ion no muaj 10 electrons (-10 nqi) thiab tsuas yog 8 protons (+8 nqi), muab cov ion ib net nqi -2. Symbolically, peb tuaj yeem sawv cev rau cov pa oxygen no li O-2.
Vim li cas oxygen thiaj nce ob lub electrons?
Oxygen yog nyob rau hauv pab pawg rau hauv lub sijhawm lub sijhawm yog li nws muaj rau lub tshuab hluav taws xob hauv nws lub plhaub valence. Qhov no txhais tau tias nws yuav tsum tau nceob lub electrons ua raws li txoj cai octet thiab muaj tag nrho cov txheej txheem ntawm electrons (yim). Vim electrons muaj nqi ntawm 1-, ntxiv ob lub electrons yuav ua rau tus nqi ntawm oxide ion 2-.
Pom zoo:
Puas tau nce lossis nce siab?
ib nce toj; kev nce toj nce toj: Nws yog qhov ntev nce mus rau saum toj. qhov chaw nce toj: Lub ncov ntawd yog qhov nce siab heev. nce toj, … kom thim rov qab, raws li kev xav lossis txoj haujlwm tsis muaj zog: Nws raug yuam kom nce los ntawm nws txoj haujlwm tsis tuaj yeem.
Puas phosphorus nce lossis poob electrons?
Phosphorus nyiam poob 5 electrons thiab nce 3 electrons kom tiav nws octet. Puas phosphorus nce lossis poob electrons los ua ib qho ion? Phosphorus muaj 5 valence electrons. Nws tuaj yeempoob 5 electronslos tsim ib +5 ion thiab nws tuaj yeem nce 3 electrons los ua ib -3 ion.
Puas yog poob lossis poob?
Poob lossis poob: Poob yog siv los ua ib qho lus qhia uas qhia txog qhov kev poob ib yam dab tsi whereas poob yog ib lub npe uas sawv cev rau tej yam uas ploj lawm. Thaum Siv Loss lossis looses? Feem ntau, Poob yog ib qho lus qhia uas txhais tau tias "
Puas roj av fumes nce lossis poob?
Gasoline yog volatile thaum hloov los ntawm cov kua mus rau vapor ntawm qhov kub thiab txias. Roj av vapors yog denser tshaj huab cua, txhais tau tias cov vapors yuav tog thiab sau rau ntawm qhov qis tshaj. Puas pa roj pa nce lossis nqis?
Puas yog dinitrophenol nce oxygen noj?
Nws tau lees paub ntev tias 2, 4-dinitrophenol nce oxidative metabolism. Qhov nce ntawm oxygen noj tom qab qhov sib ntxiv ntawm 2, 4-dinitrophenol (DNP) tau piav qhia tias yog qhov tshwm sim ntawm kev sib cais ntawm cov txheej txheem oxidative thiab phosphorylative.
