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Performance improvements and bug fixes
Look up all 118 elements with their symbols, groups, and key properties
Periodic Table puts every chemical element at your fingertips, from hydrogen to oganesson, and adds molar mass and stoichiometry calculators for students, teachers, and anyone curious about chemistry. • Browse the full 18-column table with separate lanthanide and actinide rows, or switch to a list • Find elements by symbol, name, or atomic number as you type • Filter by category or by state at room temperature: solid, liquid, or gas • See atomic weight, electron configuration, electronegativity, melting and boiling points, and density • Check period, group, block, and who discovered each element and when • Spot alkali metals, halogens, noble gases, and other categories by color • Copy or share an element's key data in one tap • Calculate molar mass in g/mol with each element's mass percent, including formulas with parentheses, brackets, and hydrates such as CuSO4·5H2O • Convert between grams and moles, find the limiting reagent, and work out theoretical and percent yield • Balance chemical equations automatically • Switch between Elements, Molar Mass, and Stoichiometry at the top of the screen Names and atomic weights follow current IUPAC values.