Which two elements have similar properties and 8 electrons in their outermost shells? O A. Lithium and sodium O B. Fluorine and chlorine C. Magnesium and calcium O D. Neon and argon ​

Write a paragraph at least 10 sentences explaining how rocks are used today in society

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

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles