Which statement about the first ionisation energies of magnesium and neon is correct?
1 )
Magnesium has the greater numerical value and both are endothermic.
2 )
Magnesium has the greater numerical value and both are exothermic.
Neon has the greater numerical value and both are endothermic.
4 )
Neon has the greater numerical value and both are exothermic.
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