15. The order of activity of the various o- and p-directors is a)-O->-OH > LOCOCH3> -COCH3

b) -OH >-O->-OCOCH3> -COCH3

c) -OH > -- > -COCH3 > -OCOCH3

d) -O->-COCH3> -OCOCH3> -OH​

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Match each statement with the state of matter it describes