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Cambridge IGCSE Combined Science practice

What occurs during the formation of a covalent bond?

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Show answerSimple molecules and covalent bonds revisionRevise the key idea

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MCQ

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cambridge_mcq

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Simple molecules and covalent bonds

Exam-style question

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What occurs during the formation of a covalent bond?.

  1. A.Atoms lose electrons
  2. B.Atoms share a pair of electrons
  3. C.Atoms gain electrons
  4. D.Atoms repel each other

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Paper 3 structured question: Simple molecules and covalent bonds

Paper 3Theory (Core)3 marks

Description

Covalent Bonding

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

  1. a

    Explain the process of covalent bonding and its significance in achieving stability.

    Aim for approximately 3 distinct marking points.

    [3]