Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

John Dalton’s atomic theory, published in 1808, included four predictions about atoms. Which of these predictions is still regarded as correct?

  • AAll atoms are very small in size.
  • BAll the atoms of a particular element have the same mass.
  • CAll the atoms of one element are different in mass from all the atoms of other elements.
  • DNo atom can be split into simpler parts.

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