Xenon-60 In order, what is the number of protons, electrons, and neutrons. 60,6,6

54,54,6

6,54,54

dynamic equilibrium is the answer.

i think that the answer is c

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.