market st.
state st.
river st.
fourth st
city
hall
riverview park
high
school
third st.
grocery
store
second st.
post
office :
first st.
.
founders park
super mall
we

answer; i believe that the correct answer is (a) potassium(k)

idk what the question is about

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.