Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

An atom of element X contains: • 5 protons • 6 neutrons • 5 electrons. Which of the following statements about element X are correct?

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D2 and 4

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