Manganese heptoxide is an extremely powerful and dangerous oxidizer made from sulfuric acid (H2SO4) and potassium ...

Science paper divided into Biology, Chemistry, and Physics sections with detailed questions on plants, animals, genetics, ...

† Physical Sciences Division and ‡ Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, Washington 99352, United States ...