Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

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

  • AW = 11, X = 10, Y = 10, Z = 8
  • BW = 11, X = 11, Y = 8, Z = 10
  • CW = 12, X = 10, Y = 8, Z = 10
  • DW = 12, X = 11, Y = 10, Z = 8

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