Label each molecule with the name of its shape. click on the 3d models to rotate the molecules.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

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.

The excretory system,need answers for all: )