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Protons Neutrons Electrons
0 0 0
💡 Tip: Hold Shift and click any particle to delete it.

🌸 Pink electrons are valence (outer shell).
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Valence electrons placed

0
Click each side to add dots (0 → 1 → 2)
💡 How to use:
Click any side of the symbol to cycle through 0, 1, or 2 dots.

Place electrons to match the element's valence count, then hit Check.