Metals such as silver and gold are often found in nature as free metals because they are Select one:
a. strong reducing agents
b. weak reducing agents
c. easily oxidized
d. poor electrocal conductors

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particle   p is an electron and particle q is a neutron

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.