Question

in an elements square on the periodic table, the number with the greatest numerical value represents the
number of neutrons.
number of electrons.
atomic number.
atomic mass.

Explanation:

In an element's square on the periodic table, the atomic number is the number of protons, usually a small whole - number. The number of electrons is equal to the number of protons in a neutral atom. The number of neutrons varies among isotopes. The atomic mass is the weighted average mass of all the naturally occurring isotopes of an element and is usually the largest numerical value in the element's square.

Answer:

atomic mass.