1. To begin, select one cation (positively charged ion) and one anion (negatively charged ion) tile.
2. To add more ions to balance the charge, click on the selected cation or anion tile to reach the desired number of ions.
3. To remove ions, click on the respective blue arrow pointing downwards.
4. To proceed to the next stage, click on “Form Compound”.
You have completed all levels!
Credit: created by lookang using Trae, Cline Extension, Google Gemini 2.5 Pro (20250723)
For more resources go to Open Educational Resources / Open Source Physics @ Singapore