Which of the following is not true about helium?

CHEMISTRY · Single correct · GCSE · Chemistry · Atomic Structure and the Periodic Table · Atomic Structure and the Periodic Table

Problem

Which of the following is not true about helium? (1) It has the lowest boiling point. (2) It has the highest first ionization energy. (3) It can diffuse through rubber and plastic material. (4) It can form clathrate compounds.

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