On the pH scale, a solution with a pH of 7 would be classified as which of the following? A weak acid, weak base, neutral, or pure H2O?

4. Calculate the wavelength of radiation with a frequency of 8.0 x 104 Hz.

Which are possible consequences of decreasing air quality resulting from global warming? Check all that apply.

Electronegativity is defined as a measure of the tendency of atoms to attract electrons in a chemical bond. True False

How many compounds are in a wooden block

Generation of electricity in coal-burning power plants and nuclear power plants both involve what?

A population of ground squirrels lives in underground burrows several miles from an ocean shore. If a hurricane strikes the shore, which effect of the hurricane would probably do the most damage to the squirrel population? A. thunder B. lightning C.

Discuss how forests act as carbon sinks.

What are tectonic plates

Sara's mom takes the parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. What is her average speed? 4.0 mph 16.5 mph 33 mph 66 mph

What happens to the waterspouts after rain begins to fall? a. it makes the rainspout stronger c. it dissipates b. it slows it down d. none of these