Download Chemistry Study Guide

Chemistry Study Guide
Name: _________________
1. What phase is shown most at room temperature on the periodic table?
2. What are the noble gases?
3. According to the periodic table, which elements are the least reactive? Which elements
are the most reactive?
4. How many elements are in the chemical formula NaC2H3O2?
How many atoms?
5. How many electrons does Oxygen have? How can you tell?
6. How many protons does Oxygen have? How can you tell?
7. What is the atomic number of Oxygen?
What is the atomic mass?
8. Define an element? Give an example.
9. Define a compound? Give an example.
10. Is sea water an element, compound or mixture? Explain.
11. What things help you know a chemical reaction took place (signs)?
12. What are the physical properties we used for elements?
13. What are the chemical properties we used for elements?
14. How do you know how many bonds with hydrogen each element has?
15. Based on this information, how many bonds do most elements in carbon column have
with hydrogen?
Nitrogen column?
Oxygen column?
Halogens?
Noble gases?
16. The Law of Conservation of Matter states….
17. On the pH scale what is an acid? What is a base?
18. When is water considered neutral?
19. A solution with a pH of 4 is ___ times as acidic as a solution with pH of 7.
20. What is an indicator (look up in book)?
21. How does water change acids and bases?
22. Explain how table salt is different than the elements that form it.