Some of the alpha particles were deflected by small angle. what does this indicate​

What is impossible to do with a hypothesis

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

In a ball-and-stick molecular model, what do the sticks represent?