Chemistry 5070 · O Level · Ion and ionic bonds

Ion and ionic bonds — practice question

An atom of the element E produces a white oxide with formula $EO$. Which element is E?

  • Aargon
  • Bcalcium
  • Ccopper
  • Dpotassium

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