Txhua pawg
Hlau Elements

Hlau Elements

Elemental metals yog cov khoom ntshiab uas tsim los ntawm tib lub ntsiab hlau. Feem ntau, cov khoom ntawm cov hlau elemental yog ze ze rau cov khoom ntawm nws cov khoom. Piv txwv li, cov khoom siv hlau ntawm ntau cov hlau yog qhov pom tseeb heev, yog li lawv cov elemental reducibility muaj zog heev. Cov khoom uas muaj qhov kub thiab txias tiv taus feem ntau txhais tau tias yog hlau. Muaj 90 hlau ntsiab nyob rau hauv lub sij hawm lub sij hawm ntawm 112 lub ntsiab. Nyob rau ntawm sab laug ntawm "boron-astatine ciam teb", muaj cov ntsiab lus hlau nyob rau hauv 5 thaj tsam ntawm s-block, p-block, d-block, thiab f-block, thiab tag nrho cov kev hloov pauv yog cov hlau. Cov hlau yog hloov tau, tshwj xeeb tshaj yog qhov txo qis, glossy nto, zoo hluav taws xob thiab thermal conductivity, nyuaj zoo, thiab feem ntau ntawm lawv yog malleable. Tsuas yog mercury (kua), tag nrho lwm cov hlau yog cov khoom nyob rau hauv chav tsev kub. Cov hlau ntshiab feem ntau yog nyiaj-dawb (grey), tsuas yog ob peb tsis yog, xws li kub yog daj-liab, tooj liab yog ntshav-liab. Hauv qhov xwm txheej, cov hlau feem ntau muaj nyob hauv lub xeev sib xyaw, thiab qee cov hlau xws li kub, nyiaj, platinum, thiab bismuth muaj nyob hauv lub xeev dawb.

Txais tos nug

Hlau Element Classification

Raws li kev siv tus cwj pwm ntawm cov kws tshawb fawb tshawb fawb thiab cov hlau uas tuaj yeem muab rau kev tshawb fawb thiab kev siv, peb muab faib ua 8 pawg, nrog rau tag nrho ntawm 63 cov hlau, raws li pom hauv daim duab saum toj no. Koj tuaj yeem nyem rau ntawm lub npe hlau nkag mus rau nplooj ntawv kom paub meej.

Yog vim li cas thiaj xaiv peb

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