Structure of matter: Electron-dot diagram & Structural formula

The numbers of covalent bonds for Short-period elements (common situation)

(determined by valence electron)

  • 1: H F Cl
  • 2: O S
  • 3: B Al N P
  • 4: C Si
  • 5: P
  • 6: S
  • 7: Cl

Exercise

1

Electron-dot diagram of Sodium azide

(No, it is not a. This is illegal in NCEE.)