Elements, Compounds and Mixtures

Elements are the simplest form of matter and cannot be broken down into simpler substances. Compounds are different elements combined in a definite proportion by mass. Mixtures are different elements mixed in any fixed proportion.
I know that was a boring explanation but what else can I say. I cannot for some reason, understand the table of elements but somehow, I think that this topic is really interesting. I cannot really explain it but I really had more fun in lessons of elements that other topics.

This is the periofic table of elements