What is the correct name for b2ci3?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Which element is least likely to undergo a chemical reaction