What is meant by the following symbols?

Atom X in a molecule has tetrahedral electron geometry but a bent molecular geometry. Which of the following describes the identity of atom X?

Nitrogen trichloride, once used as a bleaching agent, causes neurological disorder and was banned in 1949. Which of the following is a correct Lewis structure for nitrogen trichloride (NCl3)?

Which of the following molecules contains polar bonds but is nonpolar overall? Drawing Lewis structure of each molecule will be helpful.

  Which of the statements about Prohibition during the 1920s is true?  

  The slogan “Don’t Buy Where You Can’t Work” referred to the economic struggle of  

  In Schenck v. United States, the Supreme Court  

  Why did President Franklin D. Roosevelt dissolve the Civil Works Administration?  

  How did Garveyites define freedom at the time of World War I?  

  What was a result of the Smoot-Hawley Tariff?