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2.1 Atomic structure

2.1 Atomic structure

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Question 1
77%

A banana contains a high concentration of potassium. A neutral potassium atom has an atomic number of 19 and a mass number of 39.

State the electronic configuration of this potassium atom.

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Markscheme

2.1 Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Atomic structure

87 exam-style questions on Edexcel GCSE Chemistry 2.1 Atomic structure, covering 2.1.1 Development of the atomic model, 2.1.2 Structure of the atom and subatomic particles, 2.1.3 Mass number, isotopes and relative atomic mass, and 2.1.4 Calculating relative atomic mass from isotopic abundance. Each one has a worked solution and a mark scheme showing where the marks go.

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