Things are SHAPEing up for Physics!

Just use the old one inch brush. Trees live in your fan brush, but you have to scare them out. Water's like me. It's laaazy ... Boy, it always looks for the easiest way to do things.

Nitrogen Atom
Interactive model of a nitrogen atom with an electron cloud

Hydrogen Atom
Interactive model of a hydrogen atom with an electron cloud

Carbon Atom
Interactive model of a carbon atom with electron cloud

Helium Atom
Interactive model of a helium atom with electron cloud