Chapter 7 - Periodic Properties of the Elements - Exercises - Page 290: 7.7a

1 is (iii) 2 is (ii) 3 is (iii)

The bonding atomic radius decrease left to right and increase top to bottom, so figure (iii) is correct. The first ionization enegy increase left to right and decrease top to bottom, so figure (ii) is correct. Trends in metallic character decrease left to right and increase top to bottom, so figure (iii) is correct.