But nowadays we know of naturally occurring neptunium and plutonium. The mineral muromontite manages to reflect internally some of the particles from the decay of its uranium content, producing plutonium (element 94) in detectable traces. Through similar mechanisms there exist even ghostlier traces...
The last naturally occurring case of the smallpox epidemic was in 1977, and since then only a handful of laboratory accidents have resulted in infections. Fields Condition If you have a genetic disease that's really rare, then doctors probably will name it after you. That's exactly what ...
Name the two most common forms of naturally occurring beryllium ore. How are non-silicate minerals classified? Is corundum an oxide mineral? What is the most common isotope of magnesium? What is the most abundant compound in most living things? What is the densest chemical element? Is feldspar...