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Rubidium is a chemical element; it has symbol Rb and atomic number 37. It is a very soft, whitish-grey solid in the alkali metal group, similar to potassium and caesium. [9] Rubidium is the first alkali metal in the group to have a density higher than water.
A 25-foot (7.6 m) wall of coal fly ash from the release of 5.4 million cubic yards ash slurry into the Emory River, Tennessee, in 2008. [1] The river water was contaminated with toxic metals including arsenic, copper, barium, cadmium, chromium, lead, mercury, nickel, and thallium. [2]
Rubidium: Strontium: Yttrium: Zirconium: Niobium: Molybdenum: Technetium: Ruthenium: ... The immediately dangerous to life or health (IDLH) value for antimony is 50 ...
rubidium-87: 49.72 1.569 lanthanum-138: 102.1 3.22 samarium-147: 106.1 3.35 platinum-190: 483 15.2 10 21 seconds (zettaseconds) isotope half-life 10 12 years 10 21 ...
In an age where convenience often trumps nutritional value, a growing body of research is raising concerns about the health implications of eating ultra-processed foods.These foods undergo ...
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Heavy metals is a controversial and ambiguous term [2] for metallic elements with relatively high densities, atomic weights, or atomic numbers.The criteria used, and whether metalloids are included, vary depending on the author and context and has been argued should not be used.
This uncertainty is what makes these packets dangerous, Mills adds. Tadalafil is an extremely potent treatment for erectile dysfunction − but it can have severe side effects, including death ...