Astatine belongs to Group VII of the Periodic Table. Astatine is ……1…… reactive than iodine. The melting point of astatine is ……2…… than the melting point of iodine. Astatine is ……3…… in colour than bromine. Which words complete gaps 1, 2 and 3?
- Aless, higher, darker
- Bless, lower, lighter
- Cmore, higher, darker
- Dmore, lower, lighter