K-CHEM
Lewis Diagram Academy
🏆 Streak 1 🔥
📊 Mastery Ladder 1 / 100
💡 Hints 5 / 5
H₂
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Hydrogen Gas
1: Valence Pad
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2: Central & Skeleton
→
3: Lone Pairs
⚡ Step 1: Electron Ledger

Valence Electrons: H₂

Enter valence electrons for each atom:

Target: First Hydrogen (H)
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⚡ Auto-Advances • No Enter Needed
Tap a number (or press 1–9 on keyboard) to answer.