Showing 141–160 of 1,000 ranked alternatives.
Thuong Nguyen Thi
Identify stones from your photos
Take a photo of a to identify its type. View detailed information about the properties and characteristics. Learn about different types and their features. Organize and save identification results for future reference.
Andrey Solovyev
Learn and symbols with quizzes
Learn chemical element names and symbols through interactive quizzes. Test knowledge of basic , advanced , or all from hydrogen to oganesson. Practice identifying atomic numbers with dedicated quizzes. Track progress and review answers for each .
Monte L Helm
Solve problems and track progress
Solve problems with a scientific calculator that handles standard and scientific notation with significant figure control. Calculate molar masses, convert between chemical names and formulas, and balance equations.
Black Cat Systems
Look up element data and nuclear properties
Access chemical and nuclear data for and isotopes. View properties like density, melting point, and thermal conductivity. Explore nuclear details including half-life, decay mode, and daughter products.
Tap OChem, LLC
Visualize reactions, study, learn
Organic chemistry provides visual reaction animations, detailed molecule diagrams, and topic-based lessons. Users can explore reaction mechanisms, review video explanations, and access structured study materials for exams.
Sonya Marcarelli
Create molecular formulas and copy element data
Access chemical element data including atomic number, symbol, and properties. Select and copy element details. Create molecular formulas by long-pressing symbols. Calculate molecular mass. Link to Wikipedia pages for additional information.
Vladimir Vascak
Learn concepts and solve problems
Learn concepts through interactive lessons on gravitational fields, vibrations, waves, and electromagnetism. Explore molecular , thermodynamics, and semiconductor behavior. Practice math problems with step-by-step solutions and visual aids.
Nguyen Le Nguyen
Study reactions and track compounds
Study with detailed reaction information including formulas, IUPAC names, safety data, molecular weights, and reaction conditions. Access a comprehensive periodic table with element details. Store favorite reactions.
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