What is the charge of an oxide ion? 2+ 3+ 2- 3-

The clouds are grey and ground is wet. a quantitative b qualitative

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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.