Enthalpy changes, $\Delta H$, may be either positive or negative. Which row is the correct one?
- A$\Delta H$ positive: atomisation; $\Delta H$ negative: bond breaking
- B$\Delta H$ positive: bond breaking; $\Delta H$ negative: neutralisation
- C$\Delta H$ positive: bond making; $\Delta H$ negative: combustion
- D$\Delta H$ positive: combustion; $\Delta H$ negative: bond making