Which of the following exists as discrete (or separate) molecules? a. potassium b. water c. quartz d. carborundum, SiC (hint, this is like a lot of carbons bonded together) e. hydrogen chloride gas

1 Answer
anor277
Nov 21, 2017

Well, #"water"#, and #HCl(g)#.......

Explanation:

Both water and hydrogen chloride exist as discrete molecules, with definite melting and boiling points. The boiling points are unusually high given their propensity to engage in intermolecular hydrogen-bonding.

On the other hand, potassium is a NON-MOLECULAR metal, and both quarts and carborundum are non-molecular, covalently bound structures.

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