Un ion es una especie quimica que a ganado o perdido electrones y por lo tanto tiene carga. La configuracion electronica para un actomo"p"con z =19 es 1s2 2s2 2p6 3s2 3p6 4s de acuerdo con esto, la configuracion electronica mas probable para el ion p2+ es

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:

b) nuclear ive learned that in a pedtrodic table