Gina wants to use models to better understand how the types of bonds in a molecule relate to the presence of geometric isomers.

which model would be most in her research?

the space-filling model

the structural formula

the molecular formula

the ball-and-stick model

Which is a characteristic of mixtures?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.