Video: Dab tsi yog qee yam tshuaj lom neeg ntawm cov nyiaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov khoom siv tshuaj lom neeg ntawm cov nyiaj - Kev noj qab haus huv ntawm cov nyiaj - Ib puag ncig cuam tshuam ntawm cov nyiaj
| Atomic naj npawb | 47 |
|---|---|
| Atomic loj | 107,87 g -1 |
| Electronegativity raws li Pauling | 1.9 |
| Qhov ntom | 10.5 g cm-3 ntawm 20 ° C |
| Melting point | 962°C kub |
Raws li, dab tsi yog cov khoom ntawm nyiaj?
Yam ntxwv : Nyiaj yog ib tug mos, ductile, malleable, lustrous hlau. Nws muaj qhov siab tshaj plaws hluav taws xob thiab thermal conductivity ntawm tag nrho cov hlau. Nyiaj Nws ruaj khov nyob rau hauv oxygen thiab dej, tab sis tarnishes thaum raug cov sulfur compounds nyob rau hauv cov huab cua los yog dej los tsim ib tug dub sulfide txheej.
lo lus twg peb siv tau los piav txog cov khoom ntawm cov nyiaj no? Nyiaj yog ib tug mos, dawb hlau nrog ib tug ci ntsa iab. Nws yog qhov zoo tshaj plaws ductile thiab feem ntau malleable hlau. Ductile txhais tau hais tias muaj peev xwm kos rau hauv cov xov hlau nyias. Cov nyiaj melting point yog 961.5 ° C (1, 762 ° F) thiab nws cov ntsiab lus kub yog li 2, 000 txog 2, 200 ° C (3, 600 txog 4, 000 ° F).
Ib yam li ntawd, Silver's chemical muaj pes tsawg leeg yog dab tsi?
Sterling Silver Chemical Composition D. Sterling nyiaj yog ib qho alloy ntawm nyiaj uas muaj 92.5% ntshiab nyiaj thiab 7.5% ntawm lwm cov hlau, feem ntau yog tooj liab. Zoo nyiaj (99.9% ntshiab) feem ntau yog mos heev rau cov khoom siv.
Dab tsi yog cov khoom thiab kev siv nyiaj?
Cov Hlau Dawb Vim tias nws yog qhov zoo tshaj plaws thermal thiab hluav taws xob conductor ntawm tag nrho cov hlau, nyiaj yog qhov zoo tagnrho rau kev siv hluav taws xob. Nws cov tshuaj tiv thaiv kab mob, tsis muaj tshuaj lom zoo ua rau nws muaj txiaj ntsig zoo hauv cov tshuaj thiab cov khoom siv. Nws cov luster siab thiab kev cuam tshuam ua rau nws zoo meej rau cov hniav nyiaj hniav kub, nyiaj, thiab iav.
Pom zoo:
Dab tsi yog qee yam tshuaj lom neeg ntawm potassium?
Potassium yog cov hlau mos, silvery-dawb nrog lub melting point ntawm 63 ° C (145 ° F) thiab qhov kub ntawm 770 ° C (1,420 ° F). Nws qhov ceev yog 0.862 grams ib cubic centimeter, tsawg dua cov dej (1.00 grams ib cubic centimeter). Qhov ntawd txhais tau hais tias cov hlau poov tshuaj tuaj yeem ntab saum dej
Dab tsi yog cov nyhuv tshuaj ntawm hluav taws xob muab qee qhov piv txwv ntawm cov nyhuv tshuaj?
Ib qho piv txwv ntawm cov tshuaj muaj zog hauv cov hluav taws xob tam sim no yog electroplating. Hauv cov txheej txheem no, muaj cov kua dej uas muaj hluav taws xob dhau mus. qhov no yog ib qho piv txwv ntawm kev siv tshuaj lom neeg hauv hluav taws xob tam sim no
Dab tsi yog qee qhov lub cev thiab tshuaj lom neeg ntawm lithium?
Lithium yog ib qho khoom muag heev, silvery hlau. Nws muaj qhov melting point ntawm 180.54 ° C (356.97 ° F) thiab qhov kub ntawm 1,335 ° C (2,435 ° F). Nws qhov ceev yog 0.534 grams ib cubic centimeter. Los ntawm kev sib piv, qhov ceev ntawm cov dej yog 1.000 grams ib cubic centimeter
Dab tsi yog cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg ntawm dej?
Cov tshuaj lom neeg thiab lub cev tseem ceeb ntawm cov dej yog: dej tsis qab, tsis muaj ntxhiab tsw ntawm tus qauv kub thiab siab. Cov xim ntawm cov dej thiab dej khov yog, intrinsically, ib tug me ntsis xiav hue, txawm tias dej zoo li tsis muaj xim nyob rau hauv me me
Dab tsi yog tshuaj lom neeg cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv lub cev?
Qhov sib txawv ntawm cov tshuaj tiv thaiv lub cev thiab cov tshuaj tiv thaiv tshuaj yog muaj pes tsawg leeg. Hauv cov tshuaj tiv thaiv tshuaj, muaj kev hloov pauv ntawm cov tshuaj hauv nqe lus nug; nyob rau hauv ib qho kev hloov ntawm lub cev muaj qhov sib txawv ntawm qhov tsos, tsis hnov tsw, los yog cov duab yooj yim ntawm cov qauv ntawm cov teeb meem yam tsis muaj kev hloov pauv hauv cov ntsiab lus