How many moles of NO2 are there in 5.10 x 10 18*molecules of NO2?

What happens to the atomic radius when an elctron is lost

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds