Chemistry for beginners

Have you just started to study chemistry? If so, this app is for you! "Chemistry for beginners" will introduce you to the basic chemical concepts. Chemistry is like a miracle! What could be more suitable for miracles than a circus! App consists off the next topics: •The subject of chemistry •The chemical elements, atoms, ions, moleculas •Chemical formula •Atom, general structure , the discovery of the atom structure •Electronic shells •Electronegativity •The ionic bounds •The covalent bond •Oxidization states •The metallic bond