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Chemistry

Chemical Bonding

Key Points

  • Ionic: metal loses e⁻ (cation) + non-metal gains e⁻ (anion)
  • Covalent: non-metals share electrons
  • Ionic compounds: high MP, conduct when molten/dissolved
  • Hydrogen bonding explains water's high boiling point
  • VSEPR: 4 electron pairs → tetrahedral shape (e.g. CH₄)

Practice Questions

3 questions
1

Which type of bonding is present in sodium chloride (NaCl)?

2

The shape of a water molecule (H₂O) is:

3

Which of the following has the highest electronegativity?

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