Answer:
B.
Explanation:
One mole is the amount of substance that contain the Avogadro number which is equal to 6.022×10^23 atom, molecules or ions.
answer: elements are on the periodic table
The nuclear reaction that occurs by combining two or more lighter atoms into a larger one is called nuclear fusion. As a result of this reaction a huge amount of energy is released.
Nuclear fission is the opposite process of nuclear fusion when the atom splits into several smaller atoms.