Atoms and chemistry

Build an atom particle by particle and watch how its electrons organise themselves — from the orbitals to the valence band.

SiSilicon Z = 14 · Metalloid · [Ne] 3s2 3p2Only affects the tabs marked with●

Periodic table●

Build the atom●

Electron configuration●

3D orbitals●

Trends●

Bond●

Doping and semiconductors

Transistors

Hydrogen spectrum

Click an element to select it — you stay here, so you can keep playing with the table. When you want to see it in detail, use the button above. Lanthanides and actinides go in the two rows below, as in any periodic table.

The whole thread:the atom and why there is a threshold (you are here)the transistor and the CMOS inverterthe memory cell