Once upon a time, in a faraway land, there was a magic place known as Chemia. There were two kinds of elements in Chemia, happy elements and unhappy elements. The elements that were happy were satisfied with their electron configuration and did not need to bond with other elements. The unhappy elements, on the other hand, were actively seeking a way to be happy.

One day, an unhappy element named Sodium met another unhappy element named Chlorine. Sodium had one valence electron, while Chlorine had seven valence electrons. They both wanted to be happy, so they decided to bond together.

Sodium and Chlorine bonded through a process called ionic bonding. In ionic bonding, one element gives away an electron while the other element receives it. This creates ions - charged particles with different numbers of electrons and protons.

In this case, Sodium gave away its one valence electron to Chlorine, which made Sodium a positively charged ion, or cation, and Chlorine a negatively charged ion, or anion. The opposite charges of the ions attracted each other, forming a strong ionic bond between them.

Meanwhile, another pair of unhappy elements, Hydrogen and Oxygen, also decided to bond together. However, they did it through covalent bonding. In covalent bonding, two elements share electrons to complete their valence shells.