Elements in the periodic table are arranged in columns or

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Ab c or d ? i’m not sure what the answer is