La química en 100 preguntas

What is radiation therapy and how does it work? Are there elements that we don't know about? What are those two rows that come out of the periodic table? What are the differences between the ionic bond and the covalent bond? How does a redox system work? Do you want 95 or 98 octane gasoline? How are new drugs investigated? Is there a legal way to modify DNA? What are the principles that govern chromatography? Did electrochemistry start with a frog? What is known as Quantum Chemistry? Is GMO a sloppy word? Is graphene the new gold? Do ferrofluids challenge the law of gravity? What are nanotubes and fullerenes?