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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)1 marks

Covalent bonding is a fundamental concept in chemistry.

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]

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Paper 3 structured question: Simple molecules and covalent bonds

Paper 3Theory (Core)2 marks

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]