Chemistry 5070 · O Level · Ion and ionic bonds

Ion and ionic bonds — practice question

Which statement concerning iodine atoms and iodide ions is correct?

  • AThey are both isotopes of iodine.
  • BThey undergo the same chemical reactions.
  • CThey have the same number of protons.
  • DThey have the same physical properties.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI