GCSE Chemistry – Molecular covalent structures

Last updated: 05/07/2020
CCEA GCSE Science – Combined science foundation Structures GCSE Chemistry – Molecular covalent structures

Learning Objectives

-I can describe the physical properties of molecular covalent structures
-I can explain the physical properties of molecular covalent structures
-I can recall that many molecular covalent structures are insoluble in water
-I can recall that the weak forces between covalent molecules are called van der Waal’s forces

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  1. Current
  2. Review
  3. Answered

  1. What is the definition of a covalent bond?

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  2. What is the definition of intermolecular forces?

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  3. Which type of atoms are used during covalent bonding?

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  4. Which type of atoms cannot be used during a covalent bond?

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  5. What is the overall charge of a compound with a molecular covalent structure?

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  6. Describe the forces within a compound with a molecular covalent structure.

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  7. What is the name for these forces?

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  8. Describe the bonding in a molecular covalent structured compound.

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  9. Describe the strength of covalent bonds.

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  10. Describe how much energy is needed to a compound with a molecular covalent structure.

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  11. Describe how much energy is needed to break intermolecular forces.

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  12. Describe how much energy is needed to break covalent bonds.

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  13. Describe the melting and boiling points for a compound with a molecular covalent structure.

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  14. Why do compounds with molecular covalent structures have low melting and boiling points?

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  15. Describe the electrical conductivity of a compound with a molecular covalent structure.

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  16. Describe the electrical conductivity of a molten compound with a molecular covalent structure.

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  17. Describe the electrical conductivity of a dissolved compound with a molecular covalent structure.

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  18. Why do compounds with a molecular covalent structure not conduct electricity?

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  19. Which of the following compounds contain a molecular covalent structure?

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  20. Which of the following compounds contain a molecular covalent structure?

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  21. Which of the following compounds contain a molecular covalent structure?

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  22. Which of the following compounds contain a molecular covalent structure?

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  23. Which of the following compounds contain a molecular covalent structure?

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  24. Which of the following compounds contain a molecular covalent structure?

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  25. Which of the following compounds contain a molecular covalent structure?

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