Hnub Tim 30 Ntawm Sij Hawm Lub Sij Hawm

Zinc yog tshuaj lom neeg. Nws lub cim tshuaj yog Zn, thiab nws tus lej atomic yog 30. Nws nyob rau ntu 4 lub sijhawm thiab pab pawg IIB nyob rau ntu ntawm cov khoom siv tshuaj. Zinc yog lub teeb hloov pauv xim hlau thiab plaub" hom" hlau. Hauv kev lag luam niaj hnub, zinc yog dej tsis hloov hauv cov khoom siv roj teeb thiab yog cov hlau tseem ceeb heev. Tsis tas li ntawd, zinc kuj tseem yog ib qho tseem ceeb ntawm cov kab tseem ceeb rau tib neeg lub cev thiab ua lub luag haujlwm tseem ceeb heev.