In the Periodic Table of Elements, helium, a noble gas, is placed in Group 8A. Why?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

What will most likely happen when two bromine atoms bond together?