🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiРусскийالعربيةفارسی中文日本語EntityQ901448· pop 21· linked from 9 articleseinsteinobsolete unit measuring either one mole of photons or the energy of one mole of photonsAvailable in 21 languagesEspañolFrançaisDeutsch日本語РусскийItalianoالعربيةBahasa IndonesiaBanglaBulgarianConnectionsAlbert EinsteinPersonenergyEntityCategoriesAlbert EinsteinPhotochemistryUnits of amount of substance