Lawv yog tag nrho cov hlau thiab zoo ib yam hauv cov tshuaj tiv thaiv rau Pawg 2 alkaline ntiaj teb hlau. Cov actinides yog 14 lub ntsiab lus los ntawm thorium (atomic naj npawb 90) mus rau lawrencium lawrencium Lawrencium yog ib qho synthetic chemical elementnrog lub cim Lr (yav tas los Lw) thiab tus lej atomic 103. … Cov hlau hluav taws xob, lawrencium yog lub thib kaum ib transuranic keeb thiab tseem yog tus tswv cuab kawg ntawm cov actinide series. https://en.wikipedia.org › wiki › Lawrencium
Lawrencium - Wikipedia
(atomic naj npawb 103). … Cov lanthanides thiab actinides ua ke qee zaum hu ua cov hloov pauv sab hauv.
Puas yog actinides thiab lanthanides hloov pauv hlau?
Lanthanide thiab actinide series ua rau puab hloov pauv hlau Lub lanthanide series suav nrog cov ntsiab lus 58 txog 71, uas ua rau lawv cov 4f sublevel txuas ntxiv mus. … Actinides yog cov hlau raug thiab muaj cov khoom ntawm d-block thiab f-block ntsiab, tab sis lawv kuj yog cov xov tooj cua.
Puas lanthanides suav ua hlau?
Lanthanides muaj cov ntsiab lus hauv f-block ntawm lub sijhawm rau rau hauv lub sijhawm teem sijhawm. Thaum cov hlau no tuaj yeem yog xav txog kev hloov pauv hlau, lawv muaj cov khoom sib txawv ntawm cov khoom seem.
hom hlau twg yog lanthanides?
Lanthanides yog reactive, silver-coloured metals. Lub xeev oxidation ruaj khov tshaj plaws rau lanthanide atoms yog +3, tab sis lub xeev oxidation +2 thiab +4 kuj muaj ntau. Txawm hais tias cov lanthanides qee zaum hu ua lub ntiaj teb tsis tshua muaj, cov ntsiab lus tsis tshua muaj tsawg.
Puas yog actinides tsawg lub ntiaj teb hlau?
Cov Actinide series muaj cov ntsiab lus nrog cov lej atomic 89 txog 103 thiab nyob rau lub sijhawm thib rau thiab pawg thib peb ntawm lub sijhawm.… Lanthanide thiab Actinide Series yog ob qho tib si hu ua Lub Ntiaj Teb Tsis MuajHlau. Cov ntsiab lus no txhua tus muaj ntau haiv neeg hauv cov lej oxidation thiab tag nrho yog cov xov tooj cua.
