Scientific definitions 0.0 / 5 ? ChemistryDefinitonsASOCR Created by: TwanaCreated on: 05-03-14 17:33 Define the term Relative atomic mass The Average mass of an atomic of an element compared to carbon 12 where carbon is exactly 12. 1 of 8 Define the term isotope Atoms of the same element hich have the same number of protons but different number of neutrons. 2 of 8 Define the term Relative isotope mass The actural mass of each isotope of an element compared to carbon 12 where carbon is exactly 12. 3 of 8 Define relative formula mass The mass of all elements in a compound 4 of 8 Define a mole The amount of a substance containing as many particles as there are carbons in exactly carbon 12. 5 of 8 Define Avagadro Constant(Na) The numbers of particles in 1mole of any substance (6.02x10,23) 6 of 8 Define first ionisation engery The energy required to remove one mole of electrons from one mole of gaseous atoms, to form one mole of positivily charged gaseous ions. 7 of 8 Define electronegativity The ability of an atom to attrack a pair of electrons to themselves in a colvlent structure 8 of 8
AS Chemistry Unit 1 Module 1 (Atoms and Reactions) incomplete up to titrations 4.5 / 5 based on 2 ratings
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