Helium is a nonmetal. There are several reasons for this, it is unable to donate electrons and It has an extremely low melting point.
The correct answer is option A. Energy cannot be created during an ordinary chemical reaction. There is no such thing as an ordinary chemical reaction. Energy cannot be created or destroyed this is according to the law of conservation of energy. It can only be transformed from one form to another form.
The equation is balanced because the reactants are same as its products. so answer is B.
Answer:A
Explanation:APEX just told me the answer