Zperiod: Interactive Periodic Table (118 Elements, 3D Atom Models)

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Master Chemistry.
Visually & Instantly.

118 Elements 3D Models Free

Interactive

Periodic Table

All 118 elements with category color-coding, phase data at STP, and instant access to comprehensive chemical information.

3D Visualization

Atom Models

Interactive 3D atom structures with electron shells, swipeable info cards, and detailed properties for every element.

Chemistry Tools

Tools Workspace

A cleaner tools workspace with faster access to balancing, molar mass, solubility, and virtual lab workflows.

Education

Worksheet Generator

Generate print-ready balanced equation worksheets with adjustable difficulty, multiple reaction types, and PDF export.

118 Elements

50+ Ions

4 Tools

3D Atoms

Best on Desktop

Zperiod is a professional-grade educational tool. For the full interactive 3D experience, visit on a desktop browser.

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Reaction Types

Synthesis A + B → AB

Decomposition AB → A + B

Single Replacement A + BC → AC + B

Double Replacement AB + CD → AD + CB

Combustion Hydrocarbon + O₂

Questions are generated from real, commonly taught reactions.

Click 'Generate Worksheet' to create practice problems

Global Units

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Type Other nonmetal

Group / Period 1 / 1

Phase @ STP Gas

Electron Block s

Common Ions

H⁺ → Hydron

H^- → Hydride

Avg. Atomic Mass 1.008

Configuration 1s¹

Valence Electrons 1

1 p⁺ Protons

0 n⁰ Neutrons

1 e⁻ Electrons

1st Ionization

1312 kJ/mol

Electron Affinity

72.8 kJ/mol

Electronegativity

2.20 Pauling

Specific Heat

14.300 J/(g·°C)

Discovery Year 1766

Discovered By Henry Cavendish

Named By Antoine Lavoisier

STSE Context

Energy transition (Fuel Cells)
Hydrogen as energy carrier
Heavy Water (D₂O) • CANDU

Common Uses

Ammonia Production • Hydrogenation

Hazards

Highly Flammable • Explosion Risk

Type Noble Gas

Phase Gas

Group 18

Period 1

Chemical Property Amphoteric

Properties & Structure

Ionization Energy 13.6 eV

Electron Affinity 72.8 kJ/mol

Electron Configuration 1s¹

Reaction Prediction

Common Uses & Hazards

Batteries, Radiation Shielding (X-Ray), Construction

Neurotoxin (Brain/Nerve damage), Bioaccumulation