Magnesium oxide melts at a high temperature. Carbon dioxide melts at a low temperature. Which row shows the attractive forces that are broken when these compounds are melted?
- Amagnesium oxide: strong attractions between molecules; carbon dioxide: weak attractions between atoms
- Bmagnesium oxide: strong attractions between molecules; carbon dioxide: weak attractions between molecules
- Cmagnesium oxide: strong attractions between ions; carbon dioxide: weak attractions between atoms
- Dmagnesium oxide: strong attractions between ions; carbon dioxide: weak attractions between molecules