Definition: Any compound having a specified (range of) molecular weight(s)

Alright class, settle down, let’s take a peek, At the word “molecular,” and what it means, you see! The dictionary gives us a helpful clue, “A compound with a range of molecular weight too!” Let's break it down, nice and slow, To really grasp this concept, watch how we go. "Molecular" – it’s quite a phrase, Referring to things in a tiny haze! It means a group of molecules combined, you know, Like water (H₂O), or sugar, row on row! A molecule itself is the smallest bit, Of something that can't be broken, just a perfect fit. So "molecular" tells us about a collection , see? Of these tiny building blocks, for you and me! Think of LEGOs, stacked up high – That’s like molecules, reaching for the sky! Does that make sense to all of you today? Any questions popping up along the way?