Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

The table gives details about four different particles. What are the values of W, X, Y and Z?

  • A$W=11$, $X=10$, $Y=10$, $Z=8$
  • B$W=11$, $X=11$, $Y=8$, $Z=10$
  • C$W=12$, $X=10$, $Y=8$, $Z=10$
  • D$W=12$, $X=11$, $Y=10$, $Z=8$

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