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ICSE Class 10 Chemistry Question 7 of 23

Solved 2024 Specimen Paper ICSE Class 10 Chemistry — Question 10

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10
Question

Question 1(x)

An element with atomic no. ............... will form an acidic oxide.

  1. 3
  2. 17
  3. 11
  4. 13
Answer

17

Reason — Element with atomic number 17 has electronic configuration [2, 8, 7] and hence has 7 electrons in the valence shell. It is a non-metal and will form an acidic oxide.

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