Metals yog minerals xws li hlau lossis txhuas uas pom nyob hauv av hauv pob zeb. Cov no yog cais los ntawm cov pob zeb siv cov cua sov. Cov hlau yog cov khoom siv zoo heev. Cov hlau muaj ntau yam khoom, xws li lub zog, toughness, thiab tawv.
hlau yog dab tsi?
Yog li, tag nrho cov hlau no tuaj qhov twg? Nov yog qhov kev piav qhia yooj yim heev: Txhua lub ntsiab lus, suav nrog cov hlau, yog ua los ntawm tib yam khoom: atomic material-electrons, neutrons, thiab protons Atoms ntawm cov ntsiab lus sib txawv tuaj yeem sib txawv ntawm ib leeg los ntawm qhov tus naj npawb ntawm cov protons lawv muaj.
Cov hlau tsim li cas?
Txhua cov hlau uas peb pom hauv ntiaj teb tau pib ntau txhiab xyoo dhau los. Hauv ib puag ncig kub kub ntawm cov hnub qub, yooj yim hydrogen thiab helium atoms fused ua ke los tsim cov ntsiab lus hnyav.
Puas yog pob zeb diamond yog hlau?
Pob zeb diamond tsis suav tias yog cov hlau tsis muaj hlau nyob hauv qeb tshwj xeeb li pob zeb diamond yog a daim ntawv carbon. Nws tsis raug cais raws li lub ntsiab lus. … Nws yog ib qho allotrope ntawm carbon.
Puas yog tus txiv neej ua hlau?
Puas yog hlau yog cov khoom siv ntuj tsim los yog tib neeg tsim? Cov hlau feem ntau yog tsim los ntawm cov ore uas tau khawb tawm hauv av. Ces lawv muab ua hlau.
