Definitions of Key Terms: OCR AS Chemistry Unit 2 (F322)

HideShow resource information
  • Created by: katherine
  • Created on: 11-04-14 15:09

1. Define electrophile

  • an atom that is attracted to an electron-rich atom, where it accepts a pair of electrons to form a new covalent bond
  • when a molecule is removed from a saturated molecule to make an unsaturated molecule
  • an atom that is attracted to an electron-deficient atom, where it donates a pair of electrons to form a new covalent bond
  • a species with an unpaired electron
1 of 13

Other questions in this quiz

2. Define a radical

  • the part of an organic molecule responsible for its chemical reactions
  • a species with and unpaired electron
  • an atom that's attracted to an electron-rich atom, where it accepts a pair of electrons to form a new covalent bond
  • the breaking of a covalent bond with one of the bonded electrons going to each atom, forming two radicals

3. Define structural isomer

  • a special type of E/Z isomerism
  • molecules with the same molecular formula but with different structural arrangements of atoms
  • compounds with the same structural formula but with different arrangements of atoms in space
  • a species with an unpaired electron

4. Define molecular formula

  • CH3CH2CH2CH3
  • the number of atoms of each element in a molecule
  • the simplest whole-number ratio of atoms of each element present in a compound
  • a formula shown the carbon skeleton an associated functional groups only

5. Define general formula

  • the simplest algebraic formula of a member of a homologous series
  • a series of organic compounds with the same functional group but with each successive member differing by CH2
  • a simplified organic formula, with hydrogen atoms removed from alkyl chains, leaving just a carbon skeleton and associated functional groups
  • the number of atoms of each element in a molecule

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Key Definitions resources »