Bleach detergent ammonia what property do all three of these common household substances have in common? a) they are all acidic. b) they all taste sour. c) they all have a ph above 7. d) they all turn litmus paper red. elim

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.  

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