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Phase Changes

Question 6 • IA-Chemistry A Survey of Chemistry A

The energy absorbed or released when a neutral atom gains one electron:

Answer
A
electron affinity
B
electronegativity
C
first ionization energy

Explanation

Electron affinity is the energy change when a neutral atom gains an electron; it is often described as the energy released in the process. Electronegativity measures an atom’s pull on shared electrons, while first ionization energy is the energy needed to remove an electron.

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