Copper yog chemical keeb nrog lub cim Cu (los ntawm Latin: cuprum) thiab atomic tooj 29. los yog xim ntsuab rau cov zaub mov xws li azurite, malachite, thiab turquoise, thiab tau siv dav thiab keeb kwm ua pigments.
Puas yog tooj liab sib xyaw lossis sib xyaw?
Tsis yog, tooj liab tsis yog qhov sib xyaw Nws yog cov khoom ntshiab uas muaj tib hom atom nkaus xwb, uas yog tooj liab (Cu). Hauv kev tshawb fawb, kev sib txuas yog ib qho teeb meem uas muaj ob lossis ntau hom atoms uas sib koom ua ke. Tooj liab tsis ua raws li qhov yuav tsum tau ua yog li nws tsis suav tias yog qhov sib xyaw.
Puas yog tooj liab yog lub ntsiab?
tooj yog yam tseem ceeb.
3 siv tooj liab yog dab tsi?
Dab tsi yog qhov tseem ceeb ntawm tooj liab? Cov ntawv thov tseem ceeb ntawm tooj liab yog nyob rau hauv hluav taws xob thaiv, vov tsev, kav dej, thiab cov tshuab ua haujlwmRau feem ntau ntawm cov ntawv thov no, tooj liab yog siv hauv nws daim ntawv ntshiab. Txawm li cas los xij, nws tuaj yeem raug alloyed nrog lwm cov hlau thaum nce qib hardness.
Puas yog nyiaj npib ua los ntawm tooj liab?
Pennies yog ua los ntawm zinc coated nrog tooj liab. Tsuas yog npib tsib xee yog ib yam khoom siv-uas tib yam 75% tooj liab / 25% nickel alloy.
