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Question
Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an element's properties to be predicted based on general periodic trends. One of these trends, electron affinity, increases up a group and to the right along a period and can be defined as the ______________.
Responses
A energy required to add an electron energy required to add an electron
B energy required to emit an electron energy required to emit an electron
C energy required to excite an electron energy required to excite an electron
D energy required to remove an electron energy required to remove an electron