Explain how to write the abbreviated electron configuration for selenium (Se), and provide the correct abbreviated electron configuration.
You can submit your answer in a format that does not require superscripts.
For example, 1s22s22p (neon) can be entered as 152, 252, 2p6.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.