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.
What are the two charges in water molecules?   Answer   Water has two hydrogen atoms and one oxygen atom. The hydrogen atoms have partial positive charges and the oxygen atom has a partial negative charge.