Friday
April 18, 2014

Homework Help: chemistry

Posted by becca -- got final exam tomorrow help! on Monday, January 26, 2009 at 5:24pm.

1. How do you know that NO2 (with a negative charge 1) is an anion and not ionic compound?


2. What are the SI standard units for length and mass? Why ins't there a standard SI unit for volume?

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