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

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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.

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