UD5 Toolkit
Molecular Mass Calculator – Online Enter Formula H2O
Type a chemical formula like NaHCO3 and get molar mass, element breakdown. Educational.
Tag: Chemistry Tools - Equations & Molar
16+ tools3D Electron Orbital Viewer - Online Chemistry Visual
Rotate and view the 3D shapes of s, p, d, and f orbitals. Great for teaching quantum mechanics. WebGL‑based.
Steroids IR Spectrum Simulator - Online Simple Chemistry Tool
Select functional groups to see an approximate IR absorption spectrum. Learn spectroscopy visually. All local.
Element Hangman - Online Guess the Chemical Symbol
Play Hangman where the words are element names. Learn the periodic table while having fun. High score localStorage.
Random Element Picker - Online Surprise Chemistry Fact
Spin a wheel or randomize to get a chemical element with fascinating facts and description. Great for kids.
Molar Mass Calculator - Online Molecular Weight Tool
Enter a chemical formula (e.g., H2O, C6H12O6) and calculate its molar mass. Handles parentheses and hydrates. Pure frontend.
Solubility Rules Reference - Online Quick Chemistry Table
Classic solubility rules for ionic compounds in water. Determine if a salt is soluble or forms a precipitate. Static guide.
Molecular Geometry Viewer - Online VSEPR 3D Sketch
Select bonding and lone pairs to see the predicted shape (trigonal bipyramidal, octahedral). Static diagrams.
pH Scale Explorer - Online Interactive Acid Base Chart
Drag a slider along the pH scale to see examples of solutions at that pH and the concentration of H⁺ and OH⁻ ions.
Chemical Equation Balancer - Online Stoichiometry Solver
Enter an unbalanced chemical equation and get the balanced coefficients instantly. Supports parentheses and ions. All local JavaScript algebra.
Alphabet of Elements - Online A‑Z by Chemistry Symbol
See all elements sorted alphabetically by symbol. Picture and atomic weight. Beautifully styled static list.
Electron Configuration Writer - Online Orbital Diagram Tool
Get the full electron configuration and orbital box diagram for any element. Learn the Aufbau principle. Fast and local.
Interactive Periodic Table - Online Chemistry Reference
An interactive periodic table of elements with detailed properties, electron configuration, and images. Excellent educational resource. All static data.
Elephant Toothpaste Demo Calculator - Online Reaction Ratios
Find safe mixing ratios for the classic elephant toothpaste demonstration. Volume adjustments for different container sizes.
Flame Test Colors - Online Element Identification Chart
Click a metal ion to see the characteristic flame color and wavelength. Useful for analytical chemistry reference.
Periodic Table Explorer - Online Element Facts & 3D Model
Browse a beautifully designed periodic table with electron shell visualization and key facts. Click any element to learn more. Offline ready.