Question

In an element’s square on the periodic table, the number with the greatest numerical value represents the

number of neutrons.
number of electrons.
atomic number.
atomic mass.

Answer 1

atomic mass.

Explanation: the largest number in an element's square is the atomic mass (the average mass of the element's isotopes), while the smaller number is the atomic number (which equals the number of protons and, in a neutral atom, electrons).