2. Atomic Structure Flashcards
1
Q
1st ionisation energy
A
The energy needed to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous 1+ ions
2
Q
Explain why helium and neon occupy the two highest positions (1st ionisation energy) on the diagram.
A
Both helium and neon have the highest nuclear charges in their period.
