5. Given the Lewis electron-dot diagram:
H
H:C:H
H
Which electrons are represented by all of
the dots?
(A) the carbon valence electrons, only
(B) the hydrogen valence electrons, only
(C) the carbon and hydrogen valence
electrons
(D) all of the carbon and hydrogen
electrons

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

How are the terms group and period used on the periodic table

What does a numerical subscript following an element in a chemical formula mean?