Piv txwv cov lus nug uas tham txog Cov Khoom Siv Periodic ntawm Cov Ntsiab Lus
Cov Lus Nug Piv Txwv thiab Kev Sib Tham Txog Cov Khoom Siv Txhua Lub Sijhawm ntawm Cov Khoom Siv Taw Qhia Chemistry yog kev tshawb fawb uas kawm txog cov khoom thiab nws cov kev hloov pauv. Hauv kev kawm txog chemistry, lub rooj teev cov khoom siv txhua lub sijhawm yog ib qho ntawm cov cuab yeej tseem ceeb tshaj plaws uas cov kws tshawb fawb siv. Lub rooj no tsis yog tsuas yog muab cov khoom los ntawm tus lej atomic xwb tab sis kuj qhia txog cov khoom rov tshwm sim, lossis txhua lub sijhawm, ntawm cov khoom. Kev Nkag Siab… Nyeem ntxiv