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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 144elementperiodicstateElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 98elementperiodicsymbolSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 72symbolelementatomicElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 68elementstateAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 66atomicelementperiodicAtomic Weight CalculatorLook up atomic weight and nearest matching elements by approximate atomic mass.Score 42atomicelementReal Estate Rental Yield CalculatorCalculate gross and net rental yield from rent, property value, vacancy, and expenses.Score 30stateReal Estate Cap Rate CalculatorCalculate cap rate from net operating income and property value.Score 30stateProperty Appreciation CalculatorEstimate future property value from current value, appreciation rate, and years.Score 14stateAgent Commission CalculatorCalculate real estate agent commission split and seller net after commission.Score 14stateIslamic Inheritance CalculatorCreate an educational share distribution estimate from estate value and share fractions.Score 14stateBohr Radius CalculatorCalculate Bohr orbit radius for hydrogen-like atoms.Score 14atomicArea ConverterConvert square feet to square meters and acres.Score 12stateCombined Gas Law CalculatorCalculate final pressure from pressure, volume, and temperature changes.Score 12stateHydrogen 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 12atomicSpin Quantum Number CalculatorCalculate spin multiplicity, spin states, and basic spin angular momentum estimates.Score 12stateMolecular Weight CalculatorCalculate approximate molecular weight from element masses and atom counts.Score 8elementatomicEV Charging Cost CalculatorEstimate EV charging cost from battery size, state-of-charge change, efficiency loss, and electricity price.Score 4state