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.
Chemistry
flashcards
Decks in class (21)
# Cards
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1. Atoms, Molecules & Stoichiometry7
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2. Atomic Structure2
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3. Chemical Bonding12
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4. States of Matter1
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5. Chemical Energetics9
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7. Equilibria3
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8. Reaction Kinetics5
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9.2 Periodicity of chemical properties of the elements in Period 325
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10. Group 231
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11. Group 1718
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14. Introduction to Organic Chemistry5
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15. Hydrocarbons2
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16. Halogen Derivatives1
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22. Infra-red Spectroscopy2
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15.4 Arenes A212
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5. Chemical Energetics A2 & Electron Affinity4
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6. Electrochemistry A22
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7.2 Ionic Equilibria A21
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8. Reaction Kinetics A26
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12. Introduction to the Chemistry of Transition Elements A215
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22. Analytical Techniques2
