TwentyElement

Key Features

• Simple and clean interface: Easy-to-use display.
• Quickly select basic details of the element you want to memorize.
• You can choose to test according to the desired topic, such as atomic mass, atomic number, element symbols, etc.
• Show test results separated by topic for easy self-improvement.
• Instant feedback: See your score immediately after each test.
• Show the correct answer when the question is wrong to help you remember the details of the element better.