In what order should atoms be balanced in a hydrocarbon combustion reaction?

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

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