Multiple Choice. The chemical bond being pointed to by the black arrow in the water molecule shown above is which of the following types of chemical bonds.

True or False. A hydrophobic substance is one that has an affinity for water. In other words, hydrophobic substances are both attracted to and dissolve well within liquid water.

Fill in the Blank. A carbon atom has 4 valence electrons and can fit up to 8 valence electrons within its valence shell. Therefore, a carbon atom has a valence of ________. Hint: Up to how many covalent bonds can a carbon atom form with neighboring atoms?

If inflation is higher than expected, which of the following groups is typically helped?

Alphadonia has an annual real gross domestic product (GDP) of $75.5 billion and a population of 2.5 million. The Beta Republic has a real GDP of $54.6 billion and a population of 1.8 million. Which of the following is true?

What is the term for unemployment that is caused by economic downturns or recessions?

What conditions must a person meet to be officially counted as “unemployed” in the U.S. statistics?

If the unemployment rate is 6.3% and the number of unemployed persons is 17 million, the labor force is approximately

The consumer price index (CPI) in Country A rises from 170 to 180 during a particular year. In the same year, the consumer price index in Country B rises from 240 to 250. This means

All the following are important factors in a patient’s response to vaccine, except: