In which table row are all the comparisons between magnesium and barium correct?
- Afourth ionisation energy of magnesium: higher; fourth ionisation energy of barium: lower; reaction of magnesium with cold water: faster; reaction of barium with cold water: slower
- Bfourth ionisation energy of magnesium: higher; fourth ionisation energy of barium: lower; reaction of magnesium with cold water: slower; reaction of barium with cold water: faster
- Cfourth ionisation energy of magnesium: lower; fourth ionisation energy of barium: higher; reaction of magnesium with cold water: faster; reaction of barium with cold water: slower
- Dfourth ionisation energy of magnesium: lower; fourth ionisation energy of barium: higher; reaction of magnesium with cold water: slower; reaction of barium with cold water: faster