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208.301 g·mol −1 Except where otherwise noted, ... A 2 mg/kg dose of diazepam has a very similar effect to 20 mg/kg of trideca-7,9,11-trienoic acid.
120.91 g·mol −1 Appearance Colorless gas Odor: ether-like at very high concentrations ... TWA 1000 ppm (4950 mg/m 3) [3] IDLH (Immediate danger) 15000 ppm [3]
Tin (50 Sn) is the element with the greatest number of stable isotopes (ten; three of them are potentially radioactive but have not been observed to decay). This is probably related to the fact that 50 is a "magic number" of protons.
66.063 g·mol −1 Appearance Colourless or white solid [1] Density: ... 19 mg kg −1 (oral, mouse) 350 mg kg −1 (dermal, rat) NIOSH (US health exposure limits):
The skeletal structure of norepinephrine The skeletal structure of dopamine. A norepinephrine–dopamine reuptake inhibitor (NDRI) is a drug used for the treatment of clinical depression, attention deficit hyperactivity disorder (ADHD), narcolepsy, and the management of Parkinson's disease.
Magnesium sulfate is usually encountered in the form of a hydrate MgSO 4 ·nH 2 O, for various values of n between 1 and 11. The most common is the heptahydrate MgSO 4 ·7H 2 O, [1] known as Epsom salt, which is a household chemical with many traditional uses, including bath salts. [2]
This is before accounting for the effects of any subsequent neutron capture; e.g.: 135 Xe capturing a neutron and becoming nearly stable 136 Xe, rather than decaying to 135 Cs which is radioactive with a half-life of 2.3 million years; Nonradioactive 133 Cs capturing a neutron and becoming 134 Cs, which is radioactive with a half-life of 2 years
The stable alpha elements are: C, O, Ne, Mg, Si, and S. The elements Ar and Ca are "observationally stable". They are synthesized by alpha capture prior to the silicon fusing stage, that leads to Type II supernovae. Si and Ca are purely alpha process elements. Mg can be separately consumed by proton capture reactions.