Chemistry, 09.12.2019 06:31 ashioya0021

What is electron affinity?
a. the energy change that happens when a neutral atom gains an electron
b. the energy change that happens when a neutral atom loses 2 electrons
c. the energy change that happens when an atom with a positive charge gains an electron
d. the energy change that happens when an atom with a negative charge gains an electron?

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What is electron affinity?
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