calcium
5.0 kwiinkwenkwezi ezi-5 (ngokusekwe kuphononongo olu-1)
Kalzium is a program that shows you the Periodic Table of Elements. You can use Kalzium to
Ithegi: 3D molecule editor
Uvimba weefayili wokurhweba
abo banikelayo mabangaceli nto
abo bamkelayo akufuneki banike mbuyekezo;