Atomic Structure and the Periodic Table · Atomic Structure

Isotopes and Ions

Investigating how variations in neutrons and electrons affect atomic mass and electrical charge.

Key Questions

  1. 1Why are some isotopes of the same element stable while others are radioactive?
  2. 2How does the loss or gain of electrons transform a neutral atom into a reactive ion?
  3. 3What role do isotopes play in calculating the relative atomic mass of an element?

National Curriculum Attainment Targets

GCSE: Chemistry - Atomic StructureGCSE: Chemistry - Ions and Isotopes
Year: Year 10
Subject: Chemistry
Unit: Atomic Structure and the Periodic Table
Period: Atomic Structure

Suggested Methodologies

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