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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
Which of the following elements will form an acidic oxide?
  • ✓
    An element with atomic number $7$.
  • B
    An element with atomic number $3.$
  • C
    An element with atomic number $12.$
  • D
    An element with atomic number $19.$
✓

Answer

Correct option: A.
An element with atomic number $7$.
Formation of acidic oxides is character of non $-$ metals. Here element with atomic number $7$ is a non $-$ metal that is nitrogen. Rests of all are metals.

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