2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nws yog cov hlau tsis muaj hlau thiab muaj 3 qhov hluav taws xob valence kom tau txais kev teeb tsa roj inert yog li nws lees txais 3 electrons thiab tau txais kev teeb tsa neon. … Raws li nws yog hlau nws poob cov electrons. (c) Tungsten, tseem hu ua wolfram, yog cov khoom siv tshuaj nrog lub cim W thiab tus lej atomic 74.
Cov ntsiab lus twg feem ntau yuav tau txais electrons?
Cov ntsiab lus uas yog nonmetals zoo li nce electrons thiab dhau los ua qhov tsis zoo ions hu ua anions.
Yuav tungsten nce electrons?
Cov hlau tsis yog yuav nce cov electrons poob los ntawm cov hlau thiab feem ntau dhau los ua ions. … iodine yog cov hlau tsis muaj hlau thiab yuav tau txais ib qho hluav taws xob. Nitrogen feem ntau nce peb tungsten yog hlau thiab peb yuav plam electrons. Pab pawg muaj zog yog hlau thiab peb yuav plam electrons thiab kub yog hlau thiab peb yuav plam electrons.
Lub ntsiab lus twg koj xav kom tau txais cov hluav taws xob hauv tshuaj lom neeg?
Nco ntsoov tias cov hlau zoo li plam electrons thaum nonmetals zoo li nce electrons hauv tshuaj tiv thaiv. Cov hlau pom nyob rau sab laug ntawm metalloids thaum nonmetals pom nyob rau sab xis.
Lub caij twg S koj xav kom nce 2 electrons?
Piv txwv li, oxygen atoms nce ob lub electrons los ua O2- 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. Qhov tseeb, yog lawvmus tsim ions, Pawg 14 cov ntsiab lus tsim cov ions zoo.
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 oxygen nce lossis poob electrons?
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.
Puas yog iodine xav kom nce electrons?
Cov ntsiab lus uas tuaj yeem tau txais hluav taws xob tau yooj yim tuaj nyob rau hauv qeb ntawm cov hlau tsis muaj hlau thiab lawv ib txwm nqa cov nqi tsis zoo. Cov ntsiab lus no tau muab tso rau ntawm sab xis ntawm lub rooj zaum. … Yog li, ntawm cov kev xaiv muab, nitrogen, thiab iodine tuaj yeem nce electrons.
Puas yog iodine nce electrons hauv kev hloov tshuaj?
Iodine atom hauv cov tshuaj tiv thaiv no kuj hloov pauv. Thaum lub sij hawm cov tshuaj tiv thaiv nrog poov tshuaj, iodide atom nce ib qho hluav taws xob , tawm hauv nws lub zog sab nraud nrog yim electrons. … Tam sim no nws muaj nqi ntawm 1− thiab hu ua iodide ion, sau li I −.
