Although bismuth-209 is now known to be unstable, it has classically been considered to be a stable isotope because it has a half-life of over 1.9Ã10 19 years, which is more than a billion (1000 million) times the age of the universe.ismuth (Bi) has no stable isotopes, but does have one very long-lived isotope; thus, the standard atomic mass can be given as 208.9803987(16) u.
Following through on his State of the Union pledge, President Barack Obama has signed an Executive Order raising the minimum wage for workers on new federal contracts to $10.10 per hour. The rate increase will apply only to solicitations and contracts issued on or after January 1, 2015.
Buy These Stocks Today! (Free Report) Raising the Minimum Wage Brings Minimum Benefits. More ways to share... The president made the case during his most recent State of the Union address that the way to prosperity was to raise the federal minimum wage to $9 an hour by 2015, from $7.25, where it has been since 2009. The rationale is that raising the minimum wage would help the middle class and businesses alike.