Hydrogen Bonds

Why water is so strange

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Hydrogen bonds: H on N, O or F attracted to a lone pair on N, O or F.
• They give water its high boiling point and make ice float.

Steps

1. A naked proton
2. Find the donor
3. Water breaks the pattern
4. Four per molecule
5. Floating ice
6. Donors and acceptors