Understanding Chemical Compounds: Elements to New Substances

Imagine building blocks. An element is like having a pile of only red Lego bricks.

Only one type, pure. But what if we connect red and blue bricks?

Now we have a compound! A compound is a substance made of atoms of

two or more different elements that are chemically bonded together. Let's test your

understanding with diagrams. Pause the video. Is this an element or a compound?

It's an element, because all atoms look the same! Now, what about this

one? Pause and decide. Element or Compound? It's a compound, because the atoms

are different! Meet Sodium, a highly reactive and explosive metal. And Chlorine,