Compounds that have the same molecular formula but different chemical structures are called isomers. Remember isomerism is a property between a pair (or more) of molecules, i.e. a molecule is an isomer of another molecule. A similar relationship is that of brother or sister...
Many Americans are up in arms. But in fact, keeping out desperate souls seeking entry into America has deep roots. On this day 100 years ago, the United States passed the strictest immigration law of its time: the Immigration Act of 1917. The law restricted the immigration of undesirables, including many people from the Middle East and Asia, through increased taxes, tests and outright bans.
While Ted Cruz voted to require border security be put in place before illegal immigrants could be legalized, Marco Rubio voted against it as part of the Gang of Eight. (AP Photo/Lenny Ignelzi) The Gang of Eight comprehensive immigration reform bill passed the Senate after a series of votes in June 2013. Democrats, who controlled the Senate at the time, unanimously supported the bill, while most Republicans opposed it. The four Republicans on the gang â Marco Rubio, John McCain, Lindsey Graham, and Jeff Flake â of course voted for it, and also agreed with Democrats on a plan to kill almost all GOP amendments.