Puas yog tin yog kua roj lossis khoom?
Puas yog tin yog kua roj lossis khoom?

Video: Puas yog tin yog kua roj lossis khoom?

Video: Puas yog tin yog kua roj lossis khoom?
Video: Tiam no Tsis yog wb Tiam - Tsom Xyooj Nkauj Tawm Tshiab 2022 - 2023 2024, Lub peb hlis ntuj
Anonim

Tus lej Atomic ntawm cov khoom no yog 50 thiab cov cim tshuaj yog Sn. Cov ntsiab lus tuaj yeem raug cais raws li lawv lub cev lub cev ( Lub Xeev ntawm Teeb Meem ) np. gas, khoom los yog kua. Cov khoom no yog ib qho khoom. Tin yog cais nyob rau hauv 'Lwm Hlau' seem uas tuaj yeem nyob hauv pawg 13, 14, thiab 15 ntawm Lub Sij Hawm Lub Sij Hawm.

Yog li ntawd, yog Neon A gas kua lossis khoom?

thaum ua kua (ntawm b.p.) Neon yog ib qho tshuaj lom neeg nrog lub cim Ne thiab tus lej atomic 10. Nws yog ib qho tseem ceeb gas . Neon yog xim tsis muaj ntxhiab, tsis muaj ntxhiab, inert monatomic gas nyob rau hauv tus qauv tej yam kev mob, nrog li ob feem peb ntawm qhov ceev ntawm huab cua.

Tsis tas li ntawd, tin ua los ntawm dab tsi? Solder, sab nraud ntawm cov kaus poom thiab cov tais diav ua noj, yog ib txwm ua ua los ntawm tin . Thaum tin tseem yog cov hlau ntau heev hauv Tebchaws Meskas, txhuas feem ntau yog siv rau hauv qhov chaw tin vim nws pheej yig dua. Feem ntau siv ntawm tin yog nyob rau hauv zus tau tej cov solder.

Ib tug kuj yuav nug, hom hlau yog tin?

Tin ( Sn ), cov khoom siv tshuaj muaj nyob rau hauv tsev neeg cov pa roj carbon monoxide, Pawg 14 (IVa) ntawm lub sijhawm teem sijhawm. Nws yog mos, silvery dawb hlau nrog ib tug xiav tinge, paub rau ancients nyob rau hauv tooj liab , alloy nrog tooj liab . Tin yog dav siv rau plating hlau cov kaus poom siv los ua cov ntim khoom noj, hauv cov hlau siv rau cov kabmob, thiab hauv cov khoom siv.

Lub xeev ntawm cov teeb meem dab tsi yog tin nyob rau hauv chav tsev kub?

Phase ntawm chav kub : Khoom. Melting point: 449.47 ° F (231.93 ° C) Boiling point: 4, 715 ° F (2, 602 ° C)

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