AQA Chemistry GCSE Atomic Structure Revision Quiz about Atomic structure 1.5 / 5 based on 2 ratings ? ChemistryStructure and bondingGCSEAQA Created by: M. ClarkeCreated on: 12-12-12 10:33 What is the mass number measured in? Mass Units (MU) 1 of 6 How do you work out the amount of neutrons in an atom? Mass number - Proton number 2 of 6 How are electrons arranged in an atom? In 'energy shells/levels' around the nucleus 3 of 6 How many protons does an atom have? Same as the electrons 4 of 6 How many electrons can the second energy level hold? 8 5 of 6 How many electrons can the first energy level hold? 2 6 of 6
Comments
Report