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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Simple molecules and covalent bonds

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Simple molecules and covalent bonds

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Paper 3Theory (Core)2 marks

Understanding covalent bonds is crucial for studying molecular structures.

Description

Covalent Bonding

Covalent bonds allow atoms to achieve noble gas-like configurations, leading to the formation of molecules.

  1. a

    State two characteristics of covalent bonds.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Simple molecules and covalent bonds

Paper 3Theory (Core)1 marks

Description

Covalent Bonding

Covalent bonds are formed when two nonmetal atoms share pairs of electrons. This sharing allows each atom to attain a stable electronic configuration similar to that of noble gases.

  1. a

    State the definition of a covalent bond.

    Aim for approximately 1 distinct marking point.

    [1]