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2.1 Atomic structure

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Question 39

An isotope of cobalt is represented as $59Co3+^{59}\text{Co}^{3+}$ . Given that the atomic number of cobalt is 27, which row correctly identifies the number of protons, neutrons, and electrons present in this ion?

protons: $27$ , neutrons: $32$ , electrons: $30$

protons: $27$ , neutrons: $32$ , electrons: $24$

protons: $32$ , neutrons: $27$ , electrons: $24$

protons: $27$ , neutrons: $59$ , electrons: $24$

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 39

protons: $27$ , neutrons: $32$ , electrons: $30$

protons: $27$ , neutrons: $32$ , electrons: $24$

protons: $32$ , neutrons: $27$ , electrons: $24$

protons: $27$ , neutrons: $59$ , electrons: $24$

Markscheme

2.1 Atomic structure Questions

GCSE
Chemistry
2.1 Atomic structure