Puas yog bismuth yog hlau?

Cov txheej txheem:

Puas yog bismuth yog hlau?
Puas yog bismuth yog hlau?
Anonim

Bismuth yog dawb, crystalline, nkig hlau nrog lub ntsej muag liab. Bismuth yog cov diamagnetic feem ntau ntawm tag nrho cov hlau, thiab cov thermal conductivity qis dua cov hlau tshwj tsis yog cov mercury.

Puas yog bismuth yog hlau lossis nonmetal?

Bismuth yog ntau dua hlaunrog me ntsis pinkish, silvery metallic lustre. Bismuth yog diamagnetic feem ntau ntawm tag nrho cov hlau (piv txwv li, nws nthuav tawm qhov kev tawm tsam loj tshaj plaws rau kev ua hlau nplaum).

Vim li cas bismuth yog hlau?

Bismuth yog cov hlau ntom ntom, silvery, liab-tinged hlau. Bismuth hlau yog nkig thiab yog li nws feem ntau yog tov nrog lwm yam hlau kom nws pab tau. Nws cov alloys nrog tin lossis cadmium muaj cov ntsiab lus melting tsawg thiab yog siv rau hauv cov khoom siv hluav taws xob thiab tua hluav taws, hluav taws xob fuses thiab solders.

YPuas yog bismuth yog hlau lossis siv lead ua?

Bismuth yog a crystalline dawb hlau uas tseem yog khoom nyob rau hauv chav tsev kub, txawm li cas los xij, nws tsis siv ntau los yaj nws. Thaum molten, tom qab bismuth txias rov qab, nws npaj nws cov molecules rau hauv cov duab ntxim nyiam tiag tiag. Thaum teeb meem teeb tsa nws cov molecules rau hauv cov qauv tshwj xeeb, nws tsim cov siv lead ua.

Puas bismuth lom rau tib neeg?

Nyob hauv tsev kho mob, nyob ntawm lub sijhawm tswj hwm ntawm bismuth, nws cov tshuaj lom tuaj yeem muab faib ua qhov mob hnyav thiab mob ntev. Ob koob tshuaj tiv thaiv tuaj yeem ua rau muaj kev puas siab puas ntsws, mob plab hnyuv, nephrotoxicity, hepatotoxicity, thiab nce bismuth.concentration hauv ntshav.

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