Assertion: fermium's property | /r/HasProperty | affected by the presence of a d electron
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Source sentences:
text: The physical properties of the group 3 elements are also affected by the presence of a d electron, which forms more localised bonds within the metals than the p electrons in the similar group 13 metals; exactly the same situation is found comparing group 4 to group 14, showing that group 3 physically acts like a normal d-block group.