The statement that best describes the two atoms in the chart is that both are isotopes of the same element.
Isotopes are simply atoms of the same element with the same atomic or proton number but a different number of neutrons.
Looking at the two atoms, X and Z have 6 protons each. This means they have fulfilled the condition of being from the same element. However, X has 6 neutrons while Z has 7. Thus, the conditions of being isotopes have been fulfilled.
More on isotopes can be found here: https://brainly.com/question/13214440
