Video: Cov pab pawg nyob qhov twg ntawm lub rooj zaum?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv chemistry, a pab pawg (tseem hu ua tsev neeg) yog ib kem ntawm cov ntsiab lus hauv daim ntawv qhia hnub ntawm cov tshuaj chemical. Muaj 18 tus lej pab pawg hauv daim ntawv qhia hnub ; cov kab f-block (nruab nrab pab pawg 3 thiab 4) tsis suav nrog.
Ib yam li ntawd, pawg naj npawb ntawm lub rooj zaum nyob qhov twg?
Pawg 1, 2, thiab 13–18 yog lub ntsiab pab pawg cov ntsiab lus, teev raws li A hauv cov laus rooj . Pawg 3-12 yog nyob rau hauv nruab nrab ntawm lub daim ntawv qhia hnub thiab yog cov kev hloov pauv, teev raws li B hauv cov laus rooj.
Ib sab saum toj no, muaj pes tsawg pab pawg nyob rau hauv lub sij hawm? 18 pawg
Ib tug kuj yuav nug, dab tsi yog pab pawg ntawm ib lub rooj zaum?
Pab pawg ( daim ntawv qhia hnub ) A pab pawg yog ib kem ntawm lub daim ntawv qhia hnub . Cov ntsiab lus zoo ib yam pab pawg feem ntau muaj cov khoom zoo sib xws, vim tias lawv muaj tib tus lej ntawm cov hluav taws xob hauv lub plhaub sab nraud. Muaj yim lub ntsiab pab pawg ntawm cov ntsiab lus, naj npawb 1, 2, thiab 13-18.
Dab tsi yog 7 pawg ntawm lub sijhawm teem sijhawm?
Cov ntsiab lus nthuav tawm hauv txhua qhov Periodic Table Pawg yog Gas, Liquid lossis Solid nyob rau hauv chav tsev kub thiab muab faib rau hauv pab pawg xws li: Alkali Metals, Alkaline Earth Metals, Transition Metals, Metalloids, Other Metals, Non-metals, Halogens, Noble Gases and Rare Earth Elements.
Pom zoo:
Qhov loj ntawm lub rooj zaum nyob qhov twg?
Nyob rau lub sij hawm lub sij hawm, tus lej loj feem ntau yog nyob hauv qab lub cim cim. Tus lej loj uas tau teev tseg yog qhov nruab nrab loj ntawm tag nrho cov ntsiab lus isotopes. Txhua lub isotope muaj qee feem pua ntawm qhov muaj nyob hauv cov xwm txheej, thiab cov no tau ntxiv thiab nruab nrab kom tau txais cov lej nruab nrab
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Europium Atomic naj npawb (Z) 63 Pab pawg n/a Lub Sijhawm Sijhawm 6 Thaiv f-block
Cov actinides nyob qhov twg ntawm lub rooj zaum?
Cov Actinides. Cov Actinide series muaj cov ntsiab lus nrog cov lej atomic 89 txog 103 thiab yog pawg thib rau hauv lub sijhawm. Cov koob yog kab hauv qab ntawm Lanthanide series, uas yog nyob rau hauv qab lub ntsiab lub cev ntawm lub sij hawm. Lanthanide thiab Actinide Series yog ob leeg hu ua Rare Earth Metals
Dab tsi yog pawg MG nyob rau ntawm lub rooj zaum?
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Qhov loj me ntawm atomic ntawm lub rooj zaum nyob qhov twg?
Muaj peb yam tseem ceeb uas pab hauv kev kwv yees ntawm cov xwm txheej hauv Lub Sijhawm Teem Sijhawm: tus naj npawb ntawm cov protons hauv lub nucleus, tus lej ntawm lub plhaub, thiab cov nyhuv thaiv. Lub atomic loj nce los ntawm sab saum toj mus rau hauv qab nyob rau hauv txhua pab pawg neeg raws li ib tug tshwm sim ntawm nce nyob rau hauv tag nrho cov ntawm peb yam