Vim li cas cov hlau ntshiab tuaj yeem ua tau yooj yim?
Vim li cas cov hlau ntshiab tuaj yeem ua tau yooj yim?

Video: Vim li cas cov hlau ntshiab tuaj yeem ua tau yooj yim?

Video: Vim li cas cov hlau ntshiab tuaj yeem ua tau yooj yim?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Lub peb hlis ntuj
Anonim

Lawv yog malleable, uas txhais tau tias lawv ua tau beg thiab zoo li yooj yim . Hauv cov hlau ntshiab , cov atoms tau teem rau hauv cov khaubncaws sab nraud povtseg, thiab thaum lub zog siv rau cov hlau (xws li raug ntaus nrog rauj), cov txheej ntawm cov hlau atoms. ua tau swb dua ib leeg, muab cov hlau ua ib qho tshiab.

Ua li no, vim li cas cov hlau tau yooj yim zoo li?

Hlau yog malleable - lawv tuaj yeem khoov thiab zoo li tus tsis tawg. Qhov no yog vim hais tias lawv muaj cov txheej ntawm atoms uas yuav swb dua ib leeg thaum lub hlau yog khoov, hammered los yog nias.

Ib yam li ntawd, vim li cas qee cov hlau softer dua lwm tus? Cua sov a hlau zoo li co cov atoms mus rau hauv ib tug ntau dua kev npaj - txo tus naj npawb ntawm grain ciam teb, thiab thiaj li ua tus hlau softer . Banging lub hlau nyob ib ncig ntawm thaum nws txias zoo li tsim tau ntau cov nplej me me. Kev ua haujlwm txias yog li ua rau a hlau nyuaj dua.

Ib yam li ntawd, tib neeg nug, vim li cas nws yooj yim dua los hloov cov duab ntawm cov hlau ntshiab dua li cov hlau?

A hlau ntshiab muaj zoo tib yam atoms teem nyob rau hauv tsis tu ncua txheej. Cov khaubncaws sab nraud povtseg ntawm ib leeg yooj yim. Cov hlau nplaum yog nyuaj dua thiab muaj zog vim qhov sib txawv ntawm cov atoms sib xyaw hlau ua rau cov atomic txheej tsis tu ncua, yog li lawv tsis tuaj yeem swb yooj yim.

Cov hlau ntshiab yog dab tsi?

Cov hlau ntshiab yog ib yam khoom uas muaj cov atoms ntawm ib hom hlau, xws li txhuas, kub, tooj liab, txhuas los yog zinc. Ntau hlau muaj cov khoom muaj txiaj ntsig zoo, xws li ua cov khoom siv hluav taws xob zoo. Txawm li cas los xij, feem ntau ntawm hlau yog mos heev thiab malleable siv. hauv lawv dawb huv daim ntawv.

Pom zoo: