Which of the following elements is less reactive than the others? (5 points) Bromine (Br)
Oxygen (O)
Selenium (Se)
Sulfur (S)

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

What are transitions between a liquid and gas called? identify which way they are transitioning

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.