How long can the body maintain an anaerobic burst of energy

The body can maintain anaerobic burst energy takes thirty seconds to around two minutes.
We have aerobic energy and anaerobic energy. Aerobic energy is used when there is a lot of intake of oxygen into the body. While anaerobic lacks oxygen to the body for example short sprint.
Aerobic respiration is being utilized in the body whenever oxygen cannot be delivered to the muscle when contraction in needed.

It won't lose or gain electrons if it's a covalent bond it shares the electrons with another atom or atoms. if it is an ionic bond it will lose the 3 electrons on the outer shell and become a positively charged ion.  credit goes to @sunshinebaby of answers.yahoo.com.