A. Draw the line-bond structural formula for water (H2O), sodium chloride (NaCl), methane (CH4), hydrogen gas (H2), and ammonia (NH3). Then, characterize the type of bond that each molecule contains (ie. ionic, nonpolar covalent, polar covalent).

B.
On the molecules listed in #1, draw the relative position(s) of the shared electrons based on the electronegativity of the atoms.

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a c d and f

just finished the assignment

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: