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2.1 Atomic structure

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Question 8
F

An atom has 17 protons and 18 neutrons. What are its atomic number and mass number?

[1]
A

atomic number 17, mass number 35

B

atomic number 17, mass number 18

C

atomic number 18, mass number 17

D

atomic number 35, mass number 17

Markscheme

2.1 Atomic structure Questions

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

46 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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