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.
Water is a molecule, and is a compound. A compound is two or more elemental atoms combined. In the Casâ¦e of water you have two Hydrogen atoms and one Oxygen atom. It is because of the combination of more than one kind of atom [ element ] that water is not an element.