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2.1 Atomic structure

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Question 5

79%

Naturally occurring bromine is composed of two stable isotopes: $79Br^{79}\text{Br}$ and $81Br^{81}\text{Br}$ .

Explain what is meant by the term isotopes in terms of the subatomic particles present in these atoms.

[2]

Markscheme

2.1 Atomic structure Questions

GCSE
Chemistry
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.

2.1 Atomic structure

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2.1 Atomic structure

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Question 5

79%

Naturally occurring bromine is composed of two stable isotopes: $79Br^{79}\text{Br}$ and $81Br^{81}\text{Br}$ .

Explain what is meant by the term isotopes in terms of the subatomic particles present in these atoms.

[2]

Markscheme

2.1 Atomic structure Questions

GCSE
Chemistry
2.1 Atomic structure