Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Which of the following statements about atomic structure is correct?

  • AElectrons and protons each have a relative mass of 1, and neutrons have no charge.
  • BElectrons have a relative mass of 1 and a negative charge.
  • CProtons have a relative mass of 1 and a negative charge.
  • DNeutrons have a relative mass of 1 and no charge.

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