Showing 241–260 of 1,000 ranked alternatives.
Monte L Helm
Build formulas with cations and anions
Learn and practice creating by selecting cations and anions. The generates correct formulas with proper subscripts and parentheses. Reinforce naming rules and charge balancing through interactive exercises.
博 彭
Look up element details instantly
Access element data including atomic number, weight, boiling point, density, molecular formulas, crystal structures, and electron energy levels. View a detailed with element characteristics and relationships.
Andrian Andronic
Earn flowers to unlock lessons
With , images, phonetic transcriptions, and native speaker pronunciations. Explore 15 thematic topics and 14 categories. Earn flowers to unlock all 6,000 for free. Practice speaking with interactive exercises and quizzes.
Ivan Hendy Goenawan
Read texts, review words, practice vocabulary
Learn Mandarin Chinese vocabulary through graded reading passages and flashcards. Practice word recognition and context understanding by reviewing terms within texts. Test comprehension and retention with interactive exercises and quizzes.
Liberace Pte. Ltd.
Solve problems instantly
Solve problems with step-by-step guidance. Input equations or select topics like mechanics or electromagnetism. Receive detailed explanations and formulas. Track progress and revisit solutions for review. Share results via email or cloud storage.
App Crab OOO
Learn and practice pre-algebra offline
Learn and practice pre-algebra concepts with interactive lessons, formula lists, and video tutorials. Solve problems with instant feedback. Track progress and revisit topics for review. Access content offline without internet connection.
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