Science · Atoms and Elements

Build an Atom

Build atoms by dragging protons, neutrons and electrons. Choose a mode to begin.

Science

Keyboard help

Use Tab to move between controls, then use the keys below.

TabShift + Tab

Move to the next or previous particle or control.

EnterSpace

Add a focused bucket particle to the atom, or remove a focused placed particle.

123

Open the Atom, Symbol or Game mode.

M

Return to the mode selection screen.

R

Reset the active mode's atom to empty.

Esc

Close a menu or dialog, or leave full screen.

Build an Atom

Version 0.5.1

Build atoms from protons, neutrons and electrons, identify elements, and practise with a levelled game.

Element identity depends only on the number of protons. Stability follows a table of known stable proton-neutron combinations for elements 1 to 10.

Choose a simulation mode to begin.

Report an Issue

Tell us what went wrong so the simulation can be improved.

Issue Type
Screenshot (optional) Coming soon
Screenshot attachment is not available in V1.