chem

Original work, detail description of the answer chosen

1. Which of the following allotropes of carbon is not a network solid?

(a) graphite (b) diamond (c) buckyballs (C60)

2. A soft, white waxy solid melts over a temperature range from a 120oC to 130oC. It doesn’t dissolve in water and it doesn’t conduct electricity. These properties are consistent with its identity as

(a) a network solid

(b) an amorphous

(c) an ionic solid

(d) a metallic solid