Which electrons cause the partial +ve or -ve charge, pi electrons or sigma electrons? If the answer is pi electrons the why not sigma electrons?

Which electrons cause the partial +ve or -ve charge, pi electrons or s

1.	Which electrons cause the partial +ve or -ve charge, pi electrons or sigma electrons? If the answer is pi electrons the why not sigma electrons?
Answer» TION:i THINK it's cation is + and anion is -. that is your answer PLS marks as brainliest