Do you know your C-Heroes facts?

What are two reasons for the low boiling and melting points of Group 1 metals?

• i) They have small atomic radii
• ii) They have a large atomic radius
• iii)Their atoms are not closely packed
• iv)They only have one electron to share
• A) i and ii
• B) ii, iii and iv
• C) i, ii and iii
• D) ii and iv