How many electrons are in the ππ system of borazine.

Can someone me with 6 to 10 plz this is for masteries test.

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules