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Periodic Classification of Elements — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
The element which forms a basis oxide has the atomic number of:
  • A
    $18.$
  • B
    $17.$
  • C
    $14.$
  • ✓
    $19.$
✓

Answer

Correct option: D.
$19.$
Potassium $(K)$ forms a basic oxide and has an atomic number of $19.$
The atomic numbers of $18, 17$ and $14$ correspond to acidic oxides.

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