Chemistry 5070 · O Level · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

The table presents data for several particles. What are the values of W, X and Y?

  • AW = $10$, X = $10$, Y = $12$
  • BW = $11$, X = $12$, Y = $10$
  • CW = $12$, X = $10$, Y = $12$
  • DW = $12$, X = $10$, Y = $10$

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