Carbon has several isotopes.
The Table shows information about three isotopes of carbon.
Table
| Isotope | Number of protons | Number of neutrons | Mass number |
|---|---|---|---|
| carbon-12 | 6 | 6 | 12 |
| carbon-13 | 6 | 13 | |
| carbon-14 | 8 |
Complete the Table.
State what is meant by the term isotopes.
Explain why the nuclei of all three isotopes have the same charge.
Carbon-13 can be written as 613C{}^{13}_{6}\mathrm{C}613C.
Write the symbol for carbon-14 in the same way.