Element Atlas

Meet the elements that make up water, air, metals and our bodies.

• Names, symbols, atomic numbers, atomic masses and basic properties of 118 elements
• Browse by category and explore an interactive periodic table
• Search by name, symbol, number or use
• Three quiz types and review of missed answers
• Collect discovered cards, save favorites and compare elements
• Store learning records on your device, with backup and restore
• Korean, English, Japanese and Spanish

Basic information comes from PubChem. Atomic masses follow the source values, and predicted states are clearly marked. This is a learning atlas, not a guide to handling chemicals or conducting experiments.