Give formula H2O from the name Water
or give the name –
all in lower case please – from the formula:


  • Answers are case sensitive: Cobalt is Co, carbon monoxide is CO
  • Start all names in lower case: water not Water
  • Don't worry about subscripts or superscrips in formulae: H2O, not H2O
  • Hint: If your response is wrong, save time by using the browser's back button to go back to your previous attempt
  • Any issues with the diagram or the naming of this problem?
    Please
    email mark@meta-synthesis.com quoting the ID = 1122. Thanks!