21 In which 1.0-gram sample are the particles arranged in a crystal structure?(1) CaCl2(s) (3) CH3

June 2017 NY Regents Chemistry Exam

21 In which 1.0-gram sample are the particles arranged in a crystal structure? (1) CaCl2(s)

(3) CH3OH(l)

(2) C2H6(g)

(4) CaI2(aq)

Solution: Crystal structure refers to solids (s). Liquids(l), aqueous solutions(aq) and gases (g) take the shape of the container.

Answer:1

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