Table 1 shows information about two isotopes of carbon, P and Q.
Complete the table to show the missing number of subatomic particles in a neutral atom of each isotope. Table 1
| Isotope P | Isotope Q | |
|---|---|---|
| Atomic number | 6 | 6 |
| Mass number | 12 | 13 |
| Number of protons | ..... | 6 |
| Number of electrons | 6 | ..... |
| Number of neutrons | ..... | ..... |
120 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.