Question

blocks on the periodic table will not list a(n): select the correct answer below: chemical symbol atomic number atomic mass mass number

Explanation:

The periodic - table blocks (s - block, p - block, d - block, f - block) are based on the electron - configuration of elements. Chemical symbols, atomic numbers, and atomic masses are listed for each element on the periodic table. However, the mass number is not listed on the periodic table as it varies for different isotopes of an element.

Answer:

D. mass number