Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

The numbers of particles in atoms W, X, Y and Z are given below. Which of these statements is correct?

  • AW and X are isotopes of carbon.
  • BX and Y are isotopes of nitrogen.
  • CX has a mass number of 12.
  • DZ has an atomic number of 8.

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