What are the three endings for the Polyatomic ion?

your parents i think this could be it

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

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