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.
Email. To get a better sense of the legislative push that most famously included Arizona's draconian SB 1070, Mother Jones built a database of the 164 (often curiously similar) anti-immigration laws passed by state legislatures in 2010 and 2011.ot all immigration-related laws at the state level are restrictive. Fourteen states, including Texas under Gov. Rick Perry, have passed so-called state DREAM acts, legislation allowing undocumented students to qualify for in-state college tuition.