| Select | | View | Download | | 47.1 Periodic variations in bonding and structure of elements across Periods 2 and 3 | | |
| 47.2 Interpreting the variation in melting point of elements across a period | | |
| 47.3 Interpreting the variation in electrical conductivity of elements across a period | | |
| 47.1 Periodic variations in bonding and structure of elements across Periods 2 and 3 (bilingual version) | | |
| 47.2 Interpreting the variation in melting point of elements across a period (bilingual version) | | |
| 47.3 Interpreting the variation in electrical conductivity of elements across a period (bilingual version) | | |
| Periodic variation in physical properties of the elements from Li to Ar (combined version) | | |
| Periodic variation in physical properties of the elements from Li to Ar (bilingual, combined version) | | |