Answer the following questions about clouds. Be sure to use the info in the lesson. 1. What two components are necessary to form a cloud?
2. What is it called when the atmosphere reaches its limit on water vapor?
3. What does water vapor do to the density of the air?
4. What is a parcel?

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Which statement is true about ionic compounds?

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system