Katomic yog kev lom zem txuj ci kev ua si tau ua nyob ib ncig ntawm molecular geometry. Nws ua haujlwm yooj yim ob-seem zoo li ntawm cov tshuaj sib txawv.
calcium
Kalzium yog ib qho kev pab cuam uas qhia koj cov lus ntawm cov ntsiab lus.
duab loader