An ion has 24 protons and 19 electrons. Write the symbol for this ion.

+5

Explanation:

it hs 5 more protons thant electrons, so it has a positive charge of 5

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:

i believe that it is a exoplanet