triplet oxygen
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Triplet oxygen — is the ground state of the oxygen molecule. The electron configuration of the molecule has two unpaired electrons occupying two degenerate molecular orbitals. These orbitals are classified as antibonding, so the O O bond is weaker than the N N… … Wikipedia
Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ … Wikipedia
Triplet — A triplet is a set of three items. It may refer to: * one of three babies in a multiple birth * Opal in preparation to be a gemstone * Tuple of length 3 in mathematics * Tuplet in music * Tercet in poetry * Spin triplet in quantum mechanics as in … Wikipedia
oxygen — 1. A gaseous element, atomic no. 8, atomic wt. 15.9994 on the basis of 12C = 12.0000; an abundant and widely distributed chemical element, which combines with most of the other elements to form oxides and is essential to animal and plant life … Medical dictionary
Singlet oxygen — is the common name used for the two metastable states of molecular oxygen (O2) with higher energy than the ground state triplet oxygen [cite journal title = Physical and chemical properties of singlet molecular oxygen author = David R. Kearns… … Wikipedia
Allotropes of oxygen — Contents 1 Atomic oxygen 2 Dioxygen 3 Singlet oxygen 4 Ozone … Wikipedia
singlet oxygen — noun a metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen, and is more chemically reactive … Wiktionary
Solid oxygen — is also used colloquially to refer to oxidizers such as perchlorates, chlorates, or iodine pentoxide from which oxygen can be produced. Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F).… … Wikipedia
Chemical oxygen iodine laser — Chemical oxygen iodine laser, or COIL, is an infrared chemical laser. As the beam is infrared, it cannot be seen with the naked eye. It is capable of output power scaling up to megawatts in continuous mode[citation needed]. Its output wavelength… … Wikipedia
singlet oxygen — a highly reactive, dimagnetic, excited state (1O2) of dioxygen that rapidly decays with the emission of visible light to the paramagnetic (triplet) ground state. Singlet oxygen is thought to be involved in the oxidative killing of ingested… … Medical dictionary
