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.
Just kidding. Actually they sort of are... A water molecule is made up of matter. It contains atoms. There are two hydrogen atoms and one oxygen atom bonded together. Inside these atoms are protons, neutrons and electrons. 10 protons, 8 neutrons and 10 electrons to be exact, assuming it is not heavy water.