Problem
Problem
Deduce and fill in the missing data in the table below.| Element and nuclide symbol | Atomic number | Mass number | Number of protons | Number of neutrons | Number of electrons |
|---|---|---|---|---|---|
| 8 | 8 | ||||
| 56 | 28 | ||||
| 21 | 20 | ||||
| 11 | 23 | ||||
| Fe | 57 |
| Element and nuclide symbol | Atomic number | Mass number | Number of protons | Number of neutrons | Number of electrons |
|---|---|---|---|---|---|
| 8 | 8 | ||||
| 56 | 28 | ||||
| 21 | 20 | ||||
| 11 | 23 | ||||
| Fe | 57 |