(b) What would make this atom stable? _________________________________________________________________ (c) Use a coloured pencil to adjust the diagram so that it shows a stable electron arrangement. (d) the charge on this newly formed ion. 3. Draw a Bohr diagram to show how an ionic bond would form between sodium (Na) and chlorine (Cl). 4. Define the term bond.” “ionic ___________________________________________________________________ ___________________________________________________________________ Goal Practise writing the names and formulas of ionic compounds with multiple ion • charges. What to Do Charge Numeral When the metal has a multiple ion charge, a Roman numeral 1+ I indicates its charge. Complete the following chart. 2+ II 3+ III 4+ IV 5+ V Ions Ions (optional) Formula Name 6+ VI 7+ VII Number of Atoms in Formula iron(II) Fe2+ Br FeBr2 iron(II) bromide 3
(b) What would make this atom stable? _________________________________________________________________ (c) Use a coloured pencil to adjust the diagram so that it shows a stable electron arrangement. (d) the charge on this newly formed ion. 3. Draw a Bohr diagram to show how an ionic bond would form between sodium (Na) and chlorine (Cl). 4. Define the term “ionic bond.” ___________________________________________________________________ ___________________________________________________________________ Goal • Practise writing the names and formulas of ionic compounds with multiple ion charges. Charge Numeral 1+ I 2+ II 3+ III 4+ IV 5+ V 6+ VI 7+ VII What to Do When the metal has a multiple ion charge, a Roman numeral indicates its charge. Complete the following chart. Ions Ions (optional) Formula Name Number of Atoms in Formula iron(II) Fe2+ Br FeBr2 iron(II) bromide 3