List out the trends seen in periodic acroos a period and down a group in the tabular form?
| Property | Across the period | Down the group |
| Atomic radius | Decreases | Increases |
| Ionisation energy | Increases | Decreases |
| Electron Affinity | Increases | Decreases |
| Electonegativity | Increases | Decreases |
| Metallic character | Decreases | Increases |
| Nonmetallic character | Increases |
Decreases |
