An atom is so small that a single drop of water contains more than a billion atoms. Although tiny, atoms are mostly empty space. The simplified model of the atom is that of a cloud of negative ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. How do atoms form? – Joshua, age 7, Shoreview, ...

In this video, we explore fundamental concepts about the atom and the forces that govern it. **CHAPTERS** 0:00 - Why is the Universe inside an atom? 1:29 - What is an atom? 4:44 - Louis de Broglie's ...