History Game 與 Periodic Table Quiz 使用情況與統計

Discover the history of the world. This app helps you go through every major event in the world history. Start from the modern history and arrive in prehistory. You can discover also the super powers that ruled the world since ancient times until today. Improve your history knowledge!

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Periodic Table Quiz

Test and improve your knowledge of the chemical elements using the many customizable quizzes available with the Periodic Table Quiz app. Quizzes are available in three formats: - Find the elements on the periodic table - Multiple choice - Text input Six question and answer configurations are available: - Name to Atomic Number - Name to Atomic Symbol - Name to Atomic Weight - Atomic Number to Name - Atomic Symbol to Name - Atomic Weight to Name The atomic numbers, weights, symbols, and names of all 118 chemical elements can be studied for free using this app. A single in-app purchase is available that removes the menu ads. The game language can easily be changed in-app to English, French, Spanish, German, Simplified Chinese, Traditional Chinese, Japanese, Korean, Italian, Indonesian, Russian, Portuguese and Arabic.