Name:_____________________________________Pd:___________Date:__________
Semester 1 Study Guide
***This Study Guide and Ch 14 flashcards are due Monday, 12/19.*** Please bring your study guide to class Friday with any questions. 
1. What is a bond formed when electrons are transferred from one atom to another?
2. What is the charge of an aluminum ion that has 13 protons and 10 electrons?
3. What are the only parts of an atom that make chemical bonds?
4. Why don't noble gases normally form chemical bonds?
5. Which type of element is most likely to gain electrons when it forms bonds?
6. What is the OVERALL charge of an ionic compound?
7. A chemical reaction in which energy is released in the form of heat.
8. The substances on the right side of a chemical equation are called
9. A reaction where two or more substances combine to form another substance.
10. The substances on the left side of a chemical equation are called…?
11. Which of the following states the law of conservation of mass?
12. How many carbon atoms are present in 3C6H12O6?
13. Explain what happens during an exothermic reaction?
14. Balance this equation: N2 + H2 → NH3
15. How many oxygen atoms are present on the reactant side in this unbalanced chemical equation? Fe + O2 → Fe2O3
16. A metal and a nonmetal bond to form which type of chemical bond?
17. How many total atoms are represented in the formula Na2CO3 ?
18. MgF is an example of an atom or molecule?
19. List three types of evidence for a chemical change.
20. Something that speeds up a chemical reaction
21. What is the formula for density?
22. A cube has a side of 5cm. Find its volume and then calculate the density of the cube if its mass is 5g. GIVE
CORRECT UNITS!!!
23. What is the smallest particle into which an element can be divided and still be the same substance called?
24. Where are electrons likely to be found according to modern atomic theory?
25. Which part of the atom has almost no mass?
26. What is the chemical name for NaCl? Is it an element, compound, or mixture?
27. Give 2 examples of physical changes and 2 examples of chemical changes?
28. Changes that result in new substances being formed would be classified as what type of change?
29. Why are chemical properties harder to observe than physical properties?
30. What is the best way to tell if a chemical change has taken place?
31. In a graduated cylinder containing several liquid layers, the least dense liquid is found where?
32. The movement of particles in solids depends only upon which characteristic?
33. On the graph, what is occurring during the first “plateau”? (Hint: It takes time for this process to happen).
34.
35. Describe the motion between molecules in a gas.
36. How do the molecules of cold water differ from the molecules of hot water? Explain differences in movement,
energy, amount of collisions between particles, etc.
37. Solid have ____________ shape and volume.
38. Explain how a substance changes from a solid to a liquid state?
39.
The diagrams above represent three phases of matter, labeled A, B, and C.
Label each as solid, liquid, or gas.
40. Which of the following is a chemical property of sugar?
41. The measure of the gravitational pull on an object is its mass or weight?
42. Where can most metals be found on the periodic table?
43. Why are elements grouped together in families on the periodic table? List to things they would all have in
common within the same family.
44. Water (H2O) and NACL is not found on the Periodic Table of the Elements because …
45. What is the overall charge of a regular atom as it appears on the periodic table of elements?
46. What did Democritus, Dalton, Thomson, Rutherford, and Bohr all have in common?
47. An atom of carbon with 40 protons, 40 electrons, and 51 neutrons would have a mass number of
48. Who is credited with discovering electrons?
49. Who proposed that the electrons orbit the nucleus at fixed energy levels?
50. Why don't Noble Gases normally form chemical bonds?
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Know the placement of metals/nonmetals/metalloids on the periodic table
Know Ionic/Covalent/Metallic Bonds
STUDY CH 14 SEC 1 & 2 Flashcards as well as this guide! Questions will come from both the cards and your
study guide.