Discover the Building Blocks of Our Universe
Explore the periodic table through interactive visualizations, comprehensive element details, and fascinating scientific facts. Perfect for students, teachers, and science enthusiasts.
Featured Elements
Explore some of the most fascinating elements and their unique properties
Comprehensive Element Information
Everything you need to know about chemical elements in one place
Detailed Properties
Explore comprehensive data on atomic mass, electron configuration, melting points, and more for all 118 elements.
View PropertiesInteractive Models
Visualize atomic structures and understand electron arrangements through our interactive 3D models.
Try ModelsElement Groups
Understand how elements are categorized into groups and what properties they share with similar elements.
Explore GroupsElement Spotlight
Gold (Au)
Gold
Atomic Number: 79
Atomic Mass: 196.967 u
Category: Transition Metal
Gold is a dense, soft, malleable, and ductile metal with a bright yellow color. It is one of the least reactive chemical elements and is solid under standard conditions. Gold is highly valued in various fields from jewelry to electronics.
Learn MoreFascinating Facts
- All the gold ever mined would fit into a cube with sides of about 21 meters (69 feet).
- Gold is so malleable that it can be made into sewing thread.
- One ounce of gold can be stretched into a wire 50 miles long.
- Gold is one of the few elements that has a color other than silver or gray.
Educational Resources
Enhance your understanding of the periodic table and chemical elements
Element Patterns and Trends
Learn about periodic trends and how element properties change across the table.
Explore TrendsHistory of the Periodic Table
Discover how Mendeleev created the periodic table and how it evolved over time.
Read HistoryScientific Applications
Explore how different elements are used in science, technology, and everyday life.
View ApplicationsInteractive Activities
Test your knowledge with quizzes and interactive exercises about the elements.
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