Give the complete ground-state electron configuration for silicon (si). express the complete electron configuration using superscripts where appropriate. for example, the configuration for li would be entered as 1s^22s^1

Which one of the following gases is not an important component of soil?

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

Can someone me with 1 to 4 plz. fast