There are three different possible structures (known as isomers) of a dibromoethene molecule, c 2 h 2 br 2 c2h2br2 . one of them has no net dipole moment, but the other two do. draw lewis structures for each of these structures. include h h atoms. nonpolar c 2 h 2 br 2 c2h2br2 structure (one structure)

The structures are shown below

Explanation:

The Lewis structure is done with the elements represented by its letter signal, and the bonds between the atoms, representing the free pairs of electrons. At C₂H₂Br₂, there is a double bond between carbons, and each carbon can be bond to hydrogen or brome. The only brome has lone pairs because it's in group 7, so it has 3 lone pairs.

The three possible structure is shown below. Only the third is nonpolar because the dipole moments are canceled.

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explanation:

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the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation: