In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.
Chromosome 2 is one of the 23 pairs of chromosomes in humans.
Comet Encke or Encke's Comet (official designation: 2P/Encke) is a periodic comet that completes an orbit of the Sun once every 3.3 years.
This list of artillery by country contains all artillery systems organized primarily by their country of origin.
The London Midland and Scottish Railway Class 2P 4-4-0 was a class of steam locomotive designed for light passenger work.
P2, P02, P.2, or P-2 might refer to several subjects.
Air Philippines Corporation, formerly Air Philippines and Airphil Express, is an airline operating as PAL Express under the ownership of Philippine Airlines.
Proven reserves, also called measured reserves, 1P, and reserves, are industry specific terms regarding fossil fuel energy sources.
The British decimal two pence (2p) coin – often pronounced two pee – is a unit of currency equaling two one-hundredths of a pound sterling.
Jeremy Lemont Saunders (born June 11, 1983), better known by his stage name 2 Pistols (censored as 2P), is an American rapper and songwriter.