Rau lub hauv paus ntawm lanthanide contraction piav qhia hauv qab no?

Cov txheej txheem:

Rau lub hauv paus ntawm lanthanide contraction piav qhia hauv qab no?
Rau lub hauv paus ntawm lanthanide contraction piav qhia hauv qab no?

Video: Rau lub hauv paus ntawm lanthanide contraction piav qhia hauv qab no?

Video: Rau lub hauv paus ntawm lanthanide contraction piav qhia hauv qab no?
Video: txojkev ruaj siab uas muaj rau lub hauv paus loj pawgntseeg 2024, Kaum ib hlis
Anonim

Rau lub hauv paus ntawm L Ib qho me me hlau ion nrog cov nqi ntau dua nyiam cov ligands zoo dua. (iv) Hauv 5d thaiv cov ntsiab lus, vim tsis zoo tiv thaiv ntawm f orbitals, cov nqi hluav taws xob zoo nce ntxiv, yog li txo qhov loj. Qhov no hu ua lanthanide contraction.

Lanthanide contraction piav qhia nws yog dab tsi?

lanthanoid contraction, tseem hu ua lanthanide contraction, hauv chemistry, qhov txo qis hauv qhov loj ntawm cov atoms thiab ions ntawm lub ntiaj teb tsis tshua muaj cov ntsiab lus nrog nce atomic tooj ntawm lanthanum (atomic tooj 57) los ntawm lutetium (atomic naj npawb 71).

lanthanide contraction yog dab tsi nws cuam tshuam rau cov hauv qab no?

Lanthanide Contraction yog qhov tshwm sim ntawm kev tiv thaiv tsis zoo ntawm 4f electrons. Cov nyhuv shielding yog piav raws li qhov tshwm sim los ntawm qhov uas lub plhaub sab hauv electrons tiv thaiv lub plhaub sab nraud kom lawv tsis cuam tshuam los ntawm kev siv hluav taws xob.

Lanthanoid contraction Dab tsi yog qhov cuam tshuam ntawm lanthanoid contraction?

Lanthanoid contraction: Qhov maj mam txo qis hauv atomic thiab ionic radii ntawm lanthanoids nrog nce atomic tooj yog hu ua lanthanoid contraction. Nws muaj cov txiaj ntsig tseeb ntawm cov khoom ntawm lanthanoids.

Lanthanide contraction Class 11 yog dab tsi?

Lub lanthanide contraction yog qhov ntau dua qhov kev cia siab txo qis hauv ionic radii ntawm lub caij hauvlanthanide series los ntawm atomic tooj 57, lanthanum 71, lutetium uas ua rau me dua li qhov xav tau. ionic radii rau lub caij tom ntej pib nrog 72, hafnium.… Qhov no ua rau lanthanide contraction.

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