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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Atomic structure and the Periodic Table

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Attempt questionAtomic structure and the Periodic Table revisionRevise the key idea

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Atomic structure and the Periodic Table

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Paper 3Theory (Core)2 marks

The periodic table is organized based on atomic structure.

Description

Periodic Table Organization

Elements in the periodic table are arranged according to their proton number, which determines their position and properties.

  1. a

    Explain why the proton number is important in the periodic table.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Atomic structure and the Periodic Table

Paper 3Theory (Core)1 marks

Description

Proton Number

The proton number is a key concept in atomic structure, representing the number of protons in an atom's nucleus. It is crucial for identifying elements and understanding their properties.

  1. a

    Define the term 'proton number'.

    Aim for approximately 1 distinct marking point.

    [1]