What is the second quantum number for one of the electrons in the 4p energy sublevel of bromine?

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

There are main groups in the modern periodic table of elements

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?