This is further evidence that potassium is a more reactive metal than both lithium and sodium. The alkali metals can also be set alight and burn. When any substance burns in oxygen it is called a ...

The mechanisms accounting for nitrite bioactivation clearly will include new candidate enzymes that may be specific for different tissues and/or at different pH or oxygen gradients. Moreover ...

Samples from an east–west transect during July 2012 revealed an inverse relationship between nitrite and oxygen concentrations, with concentrations exceeding 1 μmol L−1 at ∼ 50% oxygen saturation and ...

The atom with eight protons in its nucleus (atomic number 8) is oxygen. Each energy level holds a certain ... the next electron goes into the fourth level. 4th Period: Potassium and Calcium—Electrons ...

Hydrogen peroxide decomposes on its own into water and oxygen gas. This process is sped up by a catalyst. In this reaction, the catalyst is potassium permanganate, and the bubbles are full of oxygen ...