Cov ntsiab lus uas zoo li tau txais hluav taws xob los tsim cov anions thaum muaj tshuaj lom neeg hu ua non-metals. Cov no yog cov ntsiab lus electronegative nrog siab ionization zog. Lawv yog non-lustrous, brittle thiab tsis zoo conductors ntawm tshav kub thiab hluav taws xob (tshwj tsis yog graphite). Cov hlau tsis yog hlau tuaj yeem yog roj, kua lossis cov khoom khib nyiab.
Vim li cas cov hlau tsis yog lustrous?
Teb tiav:
Raws li qhov loj me ntawm atomic nce, ntau lub plhaub tau ntxiv nyob ib ncig ntawm lub nucleus. Raws li qhov tshwm sim, cov nqi hluav taws xob muaj txiaj ntsig zoo txo qis thiab cov khoom siv hluav taws xob tau xoob. Cov hlau yog ci ntsa iab tab sis feem ntau Cov hlau tsis yog hlau tsis ci xws li lawv tsis muaj qhov ci zoo nkauj
Yuav ua li cas yog cov hlau tsis muaj hlau?
Iodine yog cov lus tsis muaj hlau.
Yuav ua li cas cov hlau tsis muaj qab hau?
Vim li no, cov lus teb raug peb tab tom nrhiav yog ob qho tib si iodine thiab pob zeb diamondyog lustrous tsis yog hlau.
Qhov twg ntawm cov hlau yog ci?
Luster: Cov hlau muaj qhov zoo ntawm kev cuam tshuam lub teeb los ntawm nws qhov chaw thiab tuaj yeem polished xws li, kub, nyiaj thiab tooj liab.
