Modul 1 von 5 · Medien
Introduction
Course Introduction:
Atoms and elements are the building blocks of chemistry. Atoms contain protons, neutrons and electrons. When elements react they produce compounds.
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Modul 1 von 5 · Medien
Course Introduction:
Atoms and elements are the building blocks of chemistry. Atoms contain protons, neutrons and electrons. When elements react they produce compounds.