Ikhemestri lelinye lamasebe enzululwazi elisebenza ngee-elements zekhemical nangee-compounds, ikwabonakalisa nendlela ezisebenza ngayo ezi zinto xa zidibene. Ikhemikhali ikwasisifundo ngezinto ezithile ezenza imizimba yethu ngangazo zonke izinto ezisingqongileyo nezilapha emhlabeni.