(a) Draw a 'dot and cross' diagram to show the bonding in a carbon dioxide molecule. (Only the outer electrons need to be shown.)​

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

In which reaction is precipitation occurring?

How many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.