Question

what is pi electron​

Answer 1

Pi electron (π electron): An electron which resides in the pi bond(s) of a double bond or a triple bond, or in a conjugated p orbital. The allyl carbanion has four pi electrons.

Answer 2

Answer:

Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14.