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Interactive Periodic Table & Element FinderSearch elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.Score 136periodicelementgoldElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 112elementgoldperiodicSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 72symbolelementatomicAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 66atomicperiodicelementAtomic Weight CalculatorLook up atomic weight and nearest matching elements by approximate atomic mass.Score 56atomicgoldelementGold Zakat CalculatorEstimate zakat on gold from weight, purity, market rate, and zakat percentage.Score 38goldElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 30elementBohr Radius CalculatorCalculate Bohr orbit radius for hydrogen-like atoms.Score 14atomicHydrogen Energy Level CalculatorCalculate hydrogen atom energy levels, transition energy, and emitted or absorbed photon wavelength.Score 12atomicElectron Transition Energy CalculatorCalculate electron transition energy and photon wavelength for hydrogen-like transitions.Score 12atomicQuantum Number CalculatorCheck simple quantum number ranges, shell capacity, and orbital counts.Score 12atomicMolecular Weight CalculatorCalculate approximate molecular weight from element masses and atom counts.Score 8elementatomicZakat CalculatorEstimate zakat from cash, gold, silver, business assets, receivables, and deductible liabilities.Score 4goldMortgage CalculatorEstimate monthly mortgage payments, total interest, principal, and payoff cost.Score 2BMI CalculatorCalculate body mass index using metric or imperial units and view the standard BMI category.Score 2Compound Interest CalculatorProject future investment value with compounding frequency and recurring contributions.Score 2Fuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 2Scientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 2Percentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 2Loan CalculatorEstimate loan payments, total interest, payoff totals, and amortized monthly costs.Score 2