Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

Which of the following statements is correct?

  • AThe first ionisation energy of chlorine is more than the first ionisation energy of argon.
  • BThe second ionisation energy of calcium is more than the second ionisation energy of magnesium.
  • CThe second ionisation energy of sulfur is equal to the first ionisation energy of phosphorus.
  • DThe eighth ionisation energy of chlorine is more than the first ionisation energy of neon.

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