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 molecular formula

  • the number of atoms of each element in a molecule
  • a formula shown the carbon skeleton an associated functional groups only
  • the simplest whole-number ratio of atoms of each element present in a compound
  • CH3CH2CH2CH3
1 of 13

Other questions in this quiz

2. Define skeletal formula

  • C3H8
  • the simplest whole-number ratio of atoms of each element present in a compound
  • a simplified organic formula, with H atoms removed from the alkyl chains, leaving just a C skeleton and associated functional groups
  • the number of atoms in an element in a molecule

3. Define homologous series

  • a series of organic compounds with the same functional group, but with each successive member differing by CH2
  • compounds with the same structural formula but different arrangement of atoms in space
  • the part of the organic molecule responsible for its chemical reactions
  • molecules with the same molecular formula but with different structural arrangements of atoms

4. Define curly arrows

  • used in equations to show the products once the reaction has taken place
  • to show the movement of an electron pair in only the breaking down of a covalent bond
  • show the movement of an electron pair in the breaking down or formation of a new covalent bond
  • to show the movement of a single electron in the breaking down of or formation of a covalent bond

5. 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

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Key Definitions resources »