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Graphite and diamond are two forms of the same element in the solid phase that differ in their

June 2018 NY Regents Chemistry Exam


8 Graphite and diamond are two forms of the same element in the solid phase that differ in their (1) atomic numbers

(2) crystal structures

(3) electronegativities

(4) empirical formulas


Solution: Graphite is soft while diamond is really hard. This difference in their properties is due to different crystal structures. Since they are made from the same element, carbon, the empirical formulas, atomic numbers and electronegative would be the same.

Answer: 2


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