Question 1

What is Zeanium?

Accepted Answer

Zeanium is a free interactive chemistry learning platform featuring games, an interactive periodic table, flashcards, exam practice questions, a 3D molecule viewer, and chemistry simulations.

Question 2

Is Zeanium free to use?

Accepted Answer

Yes, Zeanium is free. Core features including the interactive periodic table, chemistry games, and videos are free for everyone. Advanced features like flashcards, exam prep, and the 3D molecule viewer are available with a Plus plan.

Question 3

What chemistry topics does Zeanium cover?

Accepted Answer

Zeanium covers atomic structure, periodic trends, chemical bonding, stoichiometry, acids and bases, thermodynamics, chemical equilibrium, gas laws, electrochemistry, and chemical kinetics &mdash; all key topics for high school and university chemistry.

Question 4

Can I use Zeanium to study for chemistry exams?

Accepted Answer

Yes! Zeanium has a dedicated exam practice section with 275+ multiple choice questions across all major chemistry topics, with instant feedback and detailed explanations. There are also flashcards and interactive games to reinforce learning.

Question 5

Does Zeanium have organic chemistry tools?

Accepted Answer

Yes. Zeanium includes animated reaction mechanism walkthroughs for SN1, SN2, E1, and E2 reactions, a ChemDraw-style molecule drawing tool, a 3D molecule viewer, and Pro AI tools including a reaction predictor and retrosynthesis planner.

Question 6

How many languages does Zeanium support?

Accepted Answer

Zeanium supports 37 languages including English, Spanish, French, German, Arabic, Chinese, Japanese, Russian, Portuguese, Korean, Hindi, Italian, and many more. The language is automatically detected based on your location.

Question 7

What is the Daily Chemistry Challenge?

Accepted Answer

The Daily Chemistry Challenge is a new question every day with a 60-second timer. Answer correctly to build your streak and compete with the Zeanium community on the leaderboard. It resets every midnight.

Question 8

Can I balance chemical equations on Zeanium?

Accepted Answer

Yes! Zeanium has a free equation balancer that uses the matrix null-space method to instantly balance any chemical equation and shows atom-by-atom verification.

Question 9

Does Zeanium have a periodic table?

Accepted Answer

Yes. Zeanium features a fully interactive periodic table with all 118 elements. You can explore electron configurations, electronegativity, atomic radius, ionization energy, boiling point, density, and more. Filter by element category, period, or visualize trend heatmaps.

Question 10

Does Zeanium have inorganic chemistry games?

Accepted Answer

Yes! Zeanium has 4 dedicated inorganic chemistry games: Geometry Rush (identify VSEPR molecular geometry from the AXE formula before time runs out), Transition Metal Color Challenge (identify metal complexes from their aqueous color), Inorganic Nomenclature (name ionic and coordination compounds across 4 difficulty levels from NaCl to [Co(NH₃)₅Cl]Cl₂), and Mystery Salt (identify unknown salts from chemical clues like color, flame test, and reactions with reagents).

Question 11

Can I practice VSEPR theory on Zeanium?

Accepted Answer

Yes. Zeanium's Geometry Rush game shows molecule formulas with their AXE notation and asks you to identify the correct geometry (linear, bent, trigonal planar, tetrahedral, trigonal pyramidal, see-saw, T-shaped, octahedral, square pyramidal, square planar, and more) under a 12-second timer. Build consecutive streaks to unlock score multipliers up to 4×.

Question 12

How many chemistry games does Zeanium have?

Accepted Answer

Zeanium has 31 free chemistry games spanning general, organic, inorganic, medicinal, nuclear and quantum chemistry: Element Wordle, Chem Quiz, Molecule ID, Chem Hangman, Lightning Round, Chem Trivia, Chem Connections, Chem Memory, Periodic Sorter, Equation Balancer, Chem Word Search, Geometry Rush, Color Challenge, Nomenclature, Mystery Salt, Core Reactor, Reaction Type, Isotope Game, Functional Group ID, Emergency Room, Drug Detective, SAR Lab, Quantum Boss Battles, and Orbital Puzzle.

Question 13

What makes Zeanium a good site to learn chemistry?

Accepted Answer

Zeanium combines 31 interactive games, an AI chemistry tutor, a full interactive periodic table, flashcards, exam prep, and courses covering every branch of chemistry &mdash; general, organic, inorganic, medicinal, nuclear and quantum &mdash; all free, gamified with duels and tournaments, and available in 37 languages. It's built to make learning chemistry feel like play instead of memorization.

Mercury(II) Oxide Decomposition

What happens

Reaction summary

Reagents and conditions