Element is a Matrix-based end-to-end encrypted messenger and secure collaboration app. It’s decentralised for digital sovereign self-hosting, or through a hosting service such as Element Matrix …

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Download Element, an end-to-end encrypted secure messenger and collaboration app with voice and video chat. Available on Web, Android, iOS, macOS, Windows & Linux.

A Desktop UI Library Element, a Vue 2.0 based component library for developers, designers and product managers

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Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic …

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

A chemical element is a species of atom defined by its number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8: each …

Explore all 118 elements with an interactive periodic table, 3D atom models, ions, chemistry tools, and worksheet practice.