Small covalent structure

• What are small covalent structures also known as?

  Simple molecular structures
• How are small covalent structures formed?

  Atoms share pairs of electrons
• What results from the formation of small covalent structures?

  Molecules with weak intermolecular forces
• What are the melting and boiling points of small covalent structures like?

  They have low melting and boiling points
• What is the definition of small covalent structures?

  • Substances with a small number of atoms
  • Atoms bonded via covalent bonds
• What are covalent bonds formed by?

  Sharing electrons to achieve stability
• What is the chemical formula for ammonia?

  NH₃
• What is the chemical formula for methane?

  CH₄
• What is the chemical formula for carbon dioxide?

  CO₂
• What is the chemical formula for nitrogen gas?

  N₂
• What is the chemical formula for oxygen gas?

  O₂
• What is the chemical formula for chlorine gas?

  Cl₂
• What is the chemical formula for hydrogen chloride?

  HCl
• What are the properties of small covalent structures?

  • Weak intermolecular forces
  • Low melting and boiling points
  • Poor conductors of electricity
  • Generally soft substances
• Why do small covalent molecules not conduct electricity?

  They lack free ions or electrons
• What is a characteristic of small covalent substances regarding their texture?

  They are generally soft substances
• How do giant covalent structures differ from small covalent structures?

  • Giant covalent structures have many atoms
  • Joined by strong covalent bonds
  • Form a 3D lattice structure