Glacial acetic acid is the concentrated form of acetic acid, the acid in vinegar. the term glacial refers to the appearance of the solid form, which resembles glacial ice. what is the melting point of this compound, in degrees celsius, based on its thermodynamic data shown here?

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.