Octatomic element

Okay kiddo, let's talk about atoms! Atoms are like tiny building blocks that make up everything around us, like trees, toys, and even the air we breathe.

Now, some atoms like to stick together and form a group, that's called a molecule. People have given names to different molecules based on how many atoms are in them. For example, if a molecule has two hydrogen atoms and one oxygen atom, we call it water.

An octatomic element is a type of molecule that has eight atoms of the same element sticking together. It's like a group of eight friends holding hands! There are only a few elements in the whole universe that do this naturally, and we call them noble gases. You might remember them from science class - they're the gases that don't like to react with any other elements!

Just like how some people like to play together in a big group and some like to play alone, some atoms like to join together in groups and some like to be solo. The noble gases are happy to hang out in groups of eight though, and that's what makes them special as an octatomic element.