UD5 Toolkit
Periodic Table Quiz - Online Learn Element Symbols & Names
Quiz yourself on element symbols, names, and atomic numbers. Multiple modes: element to symbol, symbol to element. Score tracking. Great for chemistry students.
Tag: Periodic Table Element Facts
8+ toolsElement Discovery Story – Online Random History of Elements
Click to get a random element and a short story about its discovery and uses. Fascinating science.
Element Screenshot Tool - Online Crop & Capture DOM Node
Select any HTML element on a page and capture its screenshot. Download as PNG. Perfect for bug reports. JavaScript API demo.
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.
Periodic Table Search - Online Quick Element Info
Type an element name or symbol and instantly see its key properties (atomic mass, group, electronegativity). Quick reference.
Random Element Combination - Online Little Alchemy Style
Combine two random elements and get a surprising result. Inspired by Little Alchemy. Infinite ideas. All local.
Periodic Number Table - Online Fun Element‑Number Zoo
Type a word and see which letters can be spelled with atomic symbols (e.g., Co In = CoIn). Fun ciphers.
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.