Predict how the properties of bromine (Br) compare with those of calcium (Ca)

What are the 4 phases of matter in order of increasing engery content?

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 statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?