Study

Chemical compounds

  •   0%
  •  0     0     0

      Back   Restart
  • The valency of ferric is ..................., while that of ferrous is .................
    trivalent , divalent
  • ..................... is a set of different elements joined together and behave like one atom during the chemical reaction.
    Atomic group
  • The table salt molecule is formed from combination of ............... positive ion and .............. negative ion.
    sodium , chloride
  • During chemical reaction, oxygen atom can ............... or ........... two electrons.
    gain , share with
  • .......................... is a formula that represents the number and the type of the atoms in a molecule.
    Chemical formula
    • Your experience on this site will be improved by allowing cookies.