Dab tsi yog oxygen atomic qauv?
Dab tsi yog oxygen atomic qauv?

Video: Dab tsi yog oxygen atomic qauv?

Video: Dab tsi yog oxygen atomic qauv?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Daim duab qhia txog nuclear muaj pes tsawg leeg thiab electron configuration ntawm ib atom ntawm oxygen -16 ( atomic tooj: 8), feem ntau isotope ntawm lub caij oxygen . Lub nucleus muaj 8 protons (liab) thiab 8 neutrons (xiav). Qhov kev ruaj ntseg ntawm cov khoom siv hluav taws xob sab nraud txiav txim siab nws cov khoom siv tshuaj thiab lub cev.

Ua kom pom qhov no, oxygen yog dab tsi?

Oxygen yog tshuaj keeb nrog lub cim O thiab atomic tooj 8. Nws yog ib tug tswv cuab ntawm pawg chalcogen nyob rau hauv lub sij hawm lub sij hawm, ib tug heev reactive nonmetal, thiab ib tug oxidizing tus neeg sawv cev uas nkag mus rau oxides nrog rau feem ntau cov ntsiab lus thiab nrog rau lwm cov tebchaw.

Qhov thib ob, hydrogen lub atomic qauv yog dab tsi? Hydrogen atom yog ib qho atom ntawm cov tshuaj hydrogen. Lub atom hluav taws xob nruab nrab muaj ib qho kev them nyiaj zoo proton thiab ib qho hluav taws xob tsis zoo uas khi rau nucleus los ntawm lub zog Coulomb.

Tom qab ntawd, carbon atomic qauv yog dab tsi?

Cov pa roj carbon (los ntawm Latin: carbo "coal") yog cov khoom siv tshuaj nrog lub cim C thiab atomic naj npawb 6. Nws yog nonmetallic thiab tetravalent-ua plaub electrons muaj nyob rau hauv covalent tshuaj bonds. Nws belongs rau pawg 14 ntawm lub sijhawm teem sijhawm.

Salt puas yog ib qho khoom?

Chemically, rooj ntsev muaj ob cov ntsiab lus , sodium (Na) thiab chloride (Cl). Tsis yog keeb tshwm sim sib cais thiab dawb nyob rau hauv cov xwm, tab sis pom muaj khi ua ke raws li cov compound sodium chloride.

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