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Chemistry · May / June 2020 · Paper 11 · Question 23

5070Arrangement of elements

The diagram shows part of the Periodic Table. Which element has the highest proton number and which element has the largest number of valence electrons?

  1. ACa Ca
  2. BCa Cl
  3. CLi Ca
  4. DLi Cl

As printed in the paper

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Correct answer: B. Ca Cl

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