Why do metallically bonded materials conduct electricity well?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which terms are used to identify pure substances

How many moles of bromine are needed to produce 3.23 moles of potassium bromide