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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 is the atomic number of an element that forms basic oxide?
  • A
    $18$
  • B
    $17$
  • ✓
    $19$
  • D
    $15$
✓

Answer

Correct option: C.
$19$
The elements which can donate their valence electrons to other atoms are the metallic elements which form basic oxides as they give hydroxides in their aqueous solutions.

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