What is a substance combination of different atoms?

Explain which atom l or m is more stable and why

What is the number of moles in 15.0 g ash3?

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.