Chemistry

Select all cases in which the units comprising the solid are best classified as molecules.

CrSe

C2H2

CS2

C2H4

Cs2S

Cl2O7

None


Help please? I think they're all molecules

asked by Angel
  1. I would refer to a table of electonegativity, and determine the predominant bonding. Covalent bonds make molecules.

    http://www.cliffsnotes.com/study_guide/Polar-Bonds.topicArticleId-21729,articleId-21679.html

    posted by bobpursley
  2. does that mean covalent bonds make molecules so there for

    C2H2
    CS2
    C2H4
    Cl2O7


    are the right answer

    posted by Angel

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