Chemistry Unit 1 Deffinitions 2.0 / 5 based on 1 rating ? ChemistryASAQA Created by: AbiCreated on: 23-04-13 15:24 Atomic number Number of protons in the nucleus of an atom 1 of 6 Mass number Sum of the protons and neutrons in the nucleus of an atom 2 of 6 Isotopes Atoms with the same number of protons but different numbers of neutrons 3 of 6 Empirical formula Simplest whole number ratio of the atoms of each element in a compound 4 of 6 Molecular formula Actual number of atoms of each element in a molecule 5 of 6 Atom economy (Mass of desired product/Total mass of reactants) x 100% 6 of 6
Comments
No comments have yet been made