Qhov kev npaj no yog hu ua lub sijhawm teem sijhawm. Cov kab lus ntawm lub sij hawm yog hu ua pawg. Cov tswv cuab ntawm tib pab pawg hauv lub rooj muaj tib tus naj npawb ntawm cov hluav taws xob nyob rau hauv lub plhaub sab nraud ntawm lawv cov atoms thiab tsim cov ntawv cog lus ntawm tib hom. Kab kab rov tav hu ua ntu.
Puas yog 7 pawg lossis lub sijhawm?
Cov lus ntu ntu muaj, tag nrho, 18 pawg raws li IUPAC naming system. Lub Sijhawm 6 thiab 7 yog qhov zam vim tias lawv muaj 32 yam hauv tag nrho. Qhov no piav qhia tias vim li cas lub rooj ntu ntu luv luv los ntawm kev tshem tawm ib feem ntawm lub sijhawm 6 thiab 7 thiab nthuav tawm sab xis hauv qab daim ntawv teev sijhawm.
Lub sijhawm thiab pab pawg ntawm lub sijhawm yog dab tsi?
Lub Sijhawm: Cov ntsiab lus muaj cov khoom siv hluav taws xob nyob hauv tib lub plhaub sab nrauv, piv txwv li cov kab. 2. Pawg: Cov ntsiab lus muaj tib tus lej ntawm cov hluav taws xob hauv lawv cov plhaub sab nrauv, piv txwv li cov kab. Ib pawg ntawm cov ntsiab lus muaj cov tshuaj zoo sib xws.
Puas yog lub sijhawm 7th tiav?
Cov ntsiab lus nrog atomic tooj 113, 115, 117 thiab 118 yuav tau txais cov npe mus tas li sai sai, raws li International Union of Pure and Applied Chemistry. Nrog cov kev tshawb pom tam sim no tau lees paub, "Lub sijhawm 7th ntawm lub sijhawm rooj ntawm cov ntsiab lus tiav," raws li IUPAC.
Yuav ua li cas koj nco qab D thaiv ntawm lub rooj zaum?
D-block ntsiab nws suav nrog Lutetium (Lu), Hafnium (Hf), Tantalum (Ta),Tungsten (W), Rhenium (Re), Osmium (Os), Iridium (Ir), Platinum (Pt), Kub (Au) thiab Mercury (Hg). Mnemonic for Period 6: L(u)a HafTa Warna Reh Us(Os) Irritating Popat ke saath Aur Hoj(g)a pagal.
