What is released when an excited electron returns to a lower energy state?

What is a round body of water formed by a glacier?

What is the electrical charge of an anion? A. positive B. negative C. no charge D. none of the above

1.) Consider the processes or reactions, indicate which side of the reaction will have the greatest entropy AND explain why. (4 pts) a. CO2 (s) CO2 (g) b. CaCO3 (s) - ) Cao (s) + CO2 (g) c. 2 NO2 (g) - > N204 (g) d. H20 (1) at 25 °C heated to 52 °C

Is the asthenosphere or the lithosphere closer to the outer core

Which of the following is a chemical property? flammability color volume weight

How many molecules of H2S are required to form 79.0 g of sulfur

How many grams of potassium iodide, KI, are required to make 2.0 L of a 0.1M solution

Which term refers to an electrochemical cell that produces an electric current? A) electrolyte B) voltaic cell C) electrolytic cell D) cathode

How can you determine the valence electrons in an electron configuration?

Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to A lessen the amount of insecticides in the environment B eliminate diversity in wildlife C lessen the environmental impact of acid rain D use non chemical