Naming and writing formulas for ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Choose between -to-name or name-to- exercises. Track progress and repeat exercises for reinforcement.
Access a of essays for TOEFL and IELTS preparation. View essays on various topics to analyze writing styles and structures. Identify strengths and weaknesses in sample essays to improve writing skills.
Practice characters with writing, reading, and pronunciation
Learn characters with structured lessons based on the MeiZhou textbook. Practice writing, reading, and pronunciation. Receive instant feedback on stroke order accuracy. Correct common character mistakes like "九, 为, 方, 入, 门".
