ptable.com 的前十大競爭對手

webelements.com

explore the chemical elements through this periodic table

sciencenotes.org

Try the floating dry erase marker experiment. Draw hearts, fish, etc. using a dry erase marker and see the image float in water.

pubchem.ncbi.nlm.nih.gov

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

acs.org

American Chemical Society: Chemistry for Life.

iupac.org

IUPAC serves the international scientific endeavor in the dual function of a basic science and a mission-oriented Union. The Union is in a unique position

chem.libretexts.org

The LibreTexts libraries collectively are a multi-institutional collaborative venture to develop the next generation of open-access texts to improve postsecondary education.

artsexperiments.withgoogle.com

Since 2009, coders have created thousands of amazing experiments using Chrome, Android, AI, WebVR, AR and more. We're showcasing projects here, along with helpful tools and resources, to inspire others to create new experiments.

phet.colorado.edu

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

chemistry.stackexchange.com

Q&A for scientists, academics, teachers, and students in the field of chemistry