-What does a base do, according to the Arrhenius definition? (K12 Chemistry) (20 points) -feels dry to the skin

-reacts with a metal to produce H2

-releases an OH− ion in water

-releases an H+ ion in water

the right answer is c i just did the question.

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.