Molecular compounds are usually
a. composed of two or more transition elements.
b. composed of positive and negative ions.
c. composed of two or more nonmetallic elements.
d. solids at room temperature.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

How many moles of al3+ ions are in 1.25 moles of al2o3

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?