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STD 12 - p -Block elements - ll — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - p -Block elements - ll4 Marks
MCQ
Which of the following is not a chalcogen
  • A
    $O$
  • B
    $S$
  • C
    $Se$
  • ✓
    $Na$
✓

Answer

Correct option: D.
$Na$
d
(d) $16^{th}$ group called chalcogens (oxygen family) while $Na$ is a Ist group element which is called alkali metal.

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