Table 1 shows information about two isotopes of chlorine, A and B.
Complete the table to show the missing information for a neutral atom of each isotope. Table 1
| Isotope A | Isotope B | |
|---|---|---|
| Atomic number | ..... | 17 |
| Mass number | 35 | ..... |
| Number of protons | 17 | ..... |
| Number of electrons | ..... | 17 |
| Number of neutrons | 18 | 20 |
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.