
Chapter 1
The ancient philosophical spark
Chapter 2
Cracking the shell
Chapter 3
Mapping the nucleus
Chapter 4
The quantum cloud
YOUR GOAL
Master of The story of the atom
Ch 4 · The quantum cloud
testerr The Quantum Cloud
I'm a wave of pure chance shifting in the dark, Till you take a look and find my tiny spark.

testerr Scientists use massive circular tunnels to smash atoms and study their deepest secrets.

testerr Protons and neutrons are made of even smaller, colorful particles called quarks.

BETA
testerr Drag protons, neutrons, and electrons to learn how different elements are built.
Fun Fact
Quark names: Quarks come in six "flavors" with whimsical names: up, down, charm, strange, top, and bottom.
Glossary
electron cloud (noun)
The region of negative charge surrounding an atomic nucleus where electrons are likely to be found. In 1926, Erwin Schrödinger formulated a wave equation to describe these three-dimensional regions of probability.
The region of negative charge surrounding an atomic nucleus where electrons are likely to be found. In 1926, Erwin Schrödinger formulated a wave equation to describe these three-dimensional regions of probability.
Quiz
Which microscope, invented in 1981, allows scientists to see and move individual atoms?
Quiz
What famous particle, giving mass to other particles, was discovered at CERN in 2012?