Chemistry 0620 · IGCSE · Noble gases

Noble gases — practice question

At room temperature and pressure, helium and neon are present as monoatomic gases. Statement 1: Helium and neon each have eight electrons in their outer shell. Statement 2: Helium and neon are chemically unreactive. Which choice is correct?

  • AStatement 1 and statement 2 are incorrect.
  • BStatement 1 is correct and explains statement 2.
  • CStatement 1 is correct, but does not explain statement 2.
  • DStatement 1 is incorrect, but statement 2 is correct.

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