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.
Is water an element, compound or mixture? A: Water is a compound made of two atoms of hydrogen and one atom of oxygen. The hydrogen atoms are bonded to the oxygen atom by the sharing of electrons, called a covalent bond.