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Edexcel IGCSE Chemistry 1.16 Atomic Number and Isotopes Questions

Practise using atomic number, mass number and isotope notation to compare atoms, elements and relative atomic mass.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • state isotopes as atoms with the same protons but different neutrons
  • use atomic and mass numbers to find protons, neutrons and electrons
  • explain identical chemical properties from the same electron configuration

Edexcel IGCSE Chemistry 1.16 Atomic Number and Isotopes Questions question 1

[Maximum number: 2]

This question is about Group 2 elements and their compounds.

A sample of magnesium contains three isotopes.

Table for Question Edexcel IGCSE Chemistry 1.16 Atomic Number and Isotopes Questions question 1 — Edexcel IGCSE Chemistry

State, in terms of subatomic particles, what is meant by the term isotopes.

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