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STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 3. Classification of elements and periodicity in properties4 Marks
Question
The acidic, basic and amphoteric oxides, respectively, are
✓

Answer

c
Chemical reactivity of elements decreases along the period therefore statement $-\mathrm{I}$ is false.

$Group -1$ elements from basic nature oxides while group - $17$ elements form acidic oxides therefore statement $-\mathrm{II}$ is true.

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