Elements that are shiny and malleable are classified as

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:

if you mean hydrogen and oxygen then water is the product

catya your not at all which answer i've seen you do this on another question!