The table gives the atomic numbers of four elements.
| Element | Atomic number |
|---|---|
| Nitrogen | 7 |
| Oxygen | 8 |
| Fluorine | 9 |
| Neon | 10 |
A fluorine-18 nucleus undergoes beta-plus decay. Which nucleus is produced?
neon-18 with 999 neutrons
neon-18 with 888 neutrons
oxygen-18 with 999 neutrons
oxygen-18 with 101010 neutrons
120 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay, covering 6.3.1 Beta-minus and beta-plus decay, 6.3.2 Effects of decay on the nucleus, and 6.3.3 Balancing nuclear equations. Each one has a worked solution and a mark scheme showing where the marks go.