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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The number of valence electrons in a graphite atom is:
  • A
    $2$
  • ✓
    $4$
  • C
    $3$
  • D
    $5$
✓

Answer

Correct option: B.
$4$

Graphite is an allotrope of carbon. It is made up of all $C$ atoms. The atomic number of carbon is $6$; so, the number of valence electrons is $4.$

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