True or False: The value for electron affinity is a negative value because when an electron is added to the outer shell of an atom, energy is released.
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1
Answer:
Notice that electron affinity decreases down the group. When nonmetals gain electrons, the energy change is usually negative because they give off energy to form an anion (exothermic process); thus, the electron affinity will be negative.
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3
Answer:
True
Explanation:
When electron is added the energy is released because of exothermic reaction. Hence the value of affinity is negative.
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