Describe how to use the periodic table to identify characteristics of elements/atoms.

The simplest way to use the periodic table to identify an element is by looking for the element's name or elemental symbol. The periodic table can be used to identify an element by looking for the element's atomic number. The atomic number of an element is the number of protons found within the atoms of that element.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;