The Swedish company had been planning to make a record attempt in the next few days, but we believe the plan has now been put on ice.*. Porscheâs 918 Spyder may very well hold the production-car lap record forever. Of course, thereâs a justifiable view that Nordschleife record claims have been running out of control in the last few years, especially when it comes to the number of subcategories that manufacturers seem determined to claim as their own.
There are several known allotropes of oxygen. The most familiar is molecular oxygen (O 2), present at significant levels in Earth's atmosphere and also known as dioxygen or triplet oxygen.Another is the highly reactive ozone (O 3). Others include: 1  Atomic oxygen (O 1, a free radical).2  Singlet oxygen (O 2 *), either of two metastable states of molecular oxygen.ee also: Dioxygen in biological reactions. The common allotrope of elemental oxygen on Earth, O 2, is generally known as oxygen, but may be called dioxygen or molecular oxygen to distinguish it from the element itself.
Examples of elements that have allotropes include carbon, oxygen, phosphorus, and sulfur. Allotropes. Oxygen is a chemical element represented by the symbol 'O' and has the atomic number 8. It is the first element in Group VI A of the modern periodic table.ioxygen. Dioxygen (O 2) is the most common form of elemental oxygen. It is a colorless gas at room temperature and forms about 21% of the earth's atmosphere. It exists as a diradical, and is the only allotrope that has unpaired electrons.