English National Curriculum - Science

Ionic bonding

Mission Objectives

Describe the process of ionic bonding

Explain the ratio of metal and non-metal ions in compounds

Work out the empirical formula of an ionic compound

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Keywords

Words and meanings to learn

ion

an atom or group of atoms that has lost or gained electrons, giving it a positive or negative electrical charge

ionic bond

the strong electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions)

anion

negatively charged ion formed when an atom gains one or more electrons

electron

negatively charged subatomic particle found in shells (energy levels) around the nucleus of an atom

cation

positively charged ion formed when an atom loses one or more electrons

This lesson has been written by

Samantha Batch

Samantha is an accomplished science educator with over 15 years of leadership experience and a strong background in scientific analysis. She has a proven record of leading departments effectively, improving practice, and working collaboratively with stakeholders.

In her current work, Samantha embeds evidence-informed pedagogical principles such as retrieval practice, clear modelling, and effective sequencing to support high-quality curriculum design and professional development. She draws on assessment insight and common misconceptions to help teachers secure strong student understanding.

She is a former Head of Chemistry and Sixth Form Tutor at Ilkley Grammar School, with extensive Key Stage 4 and 5 experience, and an AQA examiner, giving her valuable insight into assessment standards and exam requirements.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket. 

Required Resources

  • Demo: sodium and chlorine
  • Handouts
  • Whiteboards

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