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Atom Forge: Build the First 18 Elements
Created by Argraide
Updated October 16th, 2026
At a glance
- Play mode
- 📱 Solo
- Format
- 🧊 3D
- Length
- ⏱ About 20 minutes
- Subject
- Science
- Grade
- 8
- Curriculum
- Alberta
- Curriculum code
- 8M1
About this activity
Build atoms 1 to 18 in a 3D Bohr-model forge, file each one on a periodic table that grows as you work, then use its pattern to place unbuilt elements and call them metal or non-metal.
What students learn
- Model a neutral atom: protons (positive) and neutrons (no charge) in the nucleus, electrons (negative) in shells
- Fill Bohr-model shells from the inside out: first shell up to 2, second up to 8, third up to 8
- Use atomic number: the number of protons decides the element
- Place elements on the periodic table: period = number of shells, group = valence electrons
- Use the table to tell metals (left) from non-metals (right)
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