Expire Worthless is when options enter expiration out of the money and expire without any remaining value. Expiring worthless is one of the most common terms used in options trading. Options expire worthless whenever they go into expiration out of the money.
A single molecule of water consists of three atoms. H2O is built from a single atom of oxygen that is single-bonded with two atoms of hydrogen.
Properties of Water--Notes. Water is a molecule made up of two hydrogen atoms and one oxygen atom. It has the formula H 2O. When. oxygen and hydrogen combine (H-O-H) they form a v-shaped triangular molecule. While water molecules. are electrically neutral, the oxygen atom holds a small negative charge and the two hydrogen atoms hold.