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.
Allotropy or allotropism (from Greek á¼Î»Î»Î¿Ï (allos) , meaning other, and ÏÏÏÏÎ¿Ï (tropos) , meaning manner, form) is the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotropes of these elements.or some elements, allotropes have different molecular formulae which can persist in different phases â for example, two allotropes of oxygen (dioxygen, O 2, and ozone, O 3), can both exist in the solid, liquid and gaseous states.