The Mole Concept Flashcards
Who was Amedeo Avogrado
Italian scientist who set up a system to enable chemists to count atoms and moles
What is a mole
A mole of a substance is the amount of that substance that contains 6x10^23 particles of the substance
What is the relative molecular mass
The relative molecular mass of a compound is the average mass of one molecule of that compound compared with one twelfth of the mass of one atom of the carbon 12 isotope
Define the molecular formula
The molecular formula of a compound is a formula which shows the number and type of each atom present in a molecule of that compound
What is empirical formula
The empirical formula of a compound is the formula showing the simplest whole number ratio of the numbers of different atoms present in the molecule
