Hydrocarbons 0.0 / 5 ? ChemistryhydrocarbonsA2/A-levelOCR Created by: HatsbCreated on: 28-01-20 22:10 What is a sigma bond? a type of bond formed when two orbitals overlap directly between the bonded atoms (the nuclei) 1 of 11 What is a pi bond? when two p-orbitals overlap sideways electron density is shared above and below the nuclei 2 of 11 What is an electrophile? an electron pair acceptor - attracted to areas of high electron density 3 of 11 What is a nucleophile? an electron pair doner - donate a lone pair of electrons to electrophile to produce a covalent bond 4 of 11 What are the two types of bond fission? 1. Homolytic Fission 2. Heterolytic Fission 5 of 11 What is a radical? particles that have an unpaired electron 6 of 11 What do curly arrows show? The movement of electrons 7 of 11 What is a stereoisomer? a molecule that has the same structural formula as a different molecule but its atoms are arranged differently in space 8 of 11 What is a structural isomer? a molecule with the same molecular formula as another molecule but with the atoms connected in a different way 9 of 11 What is nomenclature? the naming of molecules using rules 10 of 11 What is a homologous series? a series of organic compounds with the same functional groups but with each successive member differing by CH2 11 of 11
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