Calculators & Formulas

Scientific Calculator


Formulas

de Broglie wavelength for any particle
λ = h/mv


Electron Energy in a Hydrogen Atom
E = (-13.6 eV)/n2


Half-life formula


Molality

M= moles of solute/kg of solvent


Rydberg Formula

Z: atomic number, R=1.097373 x 10-7 m-1




PHYSICS & MATH

 


BIOLOGY