Download Name Period _____ Chemistry Review

Name ______________
Period _____
Chemistry Review
Structure of the Atom:
1. Draw an atom of Carbon in the space below. Be sure to label the nucleus, protons, neutrons and electrons.
2. The charge of a proton is ______, the charge of an electron is ______, the charge of a neutron is
________.
3. Why do we use models to study atoms instead of looking at actual atoms?
4. If an atom has 18 protons, how many electrons will it have?
Organization of the Periodic Table
5. Name an element that is in the same group as Chlorine:
6. Name an element that is in the same period as Chlorine.
For the following questions (7-14) answer either metal, nonmetal or metalloid:
7. Located on the left side of the periodic table.
8. Located on the far right of the periodic table.
9. Conduct electricity and are ductile.
10. Most of the elements on the periodic table are ________.
11. Are used as semiconductors of electricity.
12. Used to form alloys
13. This group includes the noble gases.
(Why are the noble gases important?)
14. Have properties of metals and nonmetals.
15. Where are the most reactive metals?
16. Where are the halogens? How many electrons do they need to bond?
17. Where are the man-made elements?
Reading the Periodic Table
Using the periodic table provided, answer the following questions
18. What is the atomic mass of Chlorine?
19. How many protons does Nitrogen have?
20. How many electrons does Neon have?
21. What is the atomic number of Carbon?
22. How many neutrons does Phosphorus (P) have?
23. Where is the smallest element?
24. Where is the largest element?
25. Name an element that will lose ONE electron to bond.
26. Name an element that will gain TWO electrons to bond.
Extra:
What is the relationship between monomers, polymers and composites?
What is an example of a synthetic polymer?
Natural polymer?
Why are alloys good to use?
What elements will bond easily with Lithium?
Part Two
Multiple Choice: Place the letter on the LINE!!!
Identify the letter of the choice that best completes the statement or answers the question.
____
1. Which of these statements is false?
a. Oxygen and copper are examples of elements.
b. Elements are pure substances.
c. Atoms of different elements can combine to form compounds.
d. Atoms of different elements are the same.
____
2. From an element’s location in the periodic table, you can predict
a. its properties.
b. its chemical name.
c. its chemical symbol.
d. when it was discovered.
____
3. Which of these statements about a column of the periodic table is true?
a. The elements have similar properties.
b. The elements have a wide range of properties.
c. The elements have the same atomic number.
d. The elements have the same atomic mass.
____
4. In general, which of the following statements about metals is true?
a. Metals need to be stored in sealed containers for safety.
b. Metals show a wide range of chemical properties.
c. Metals are highly reactive substances.
d. Metals do not react with oxygen.
____
5. Which group contains the most elements?
a. metalloids
b. nonmetals
c. metals
d. transition elements
____
6. In
a.
b.
c.
d.
____
7. The elements in a row of the periodic table
a. are in the same family.
b. have the same or nearly the same properties.
c. have the same average atomic mass.
d. have properties that change in a pattern.
____
8. A polymer may be combined with one or more substances to make a new material called a(n)
a. alloy.
an atom, the number of protons equals the number of
nuclei.
electrons.
neutrons.
isotopes.
b. monomer.
c. ceramic.
d. composite.
____
9. A mixture that is made of two or more elements—one that is a metal—that has the properties of metal
is a(n)
a. polymer.
b. monomer.
c. alloy.
d. ceramic.
____ 10. What strong alloy, containing carbon, iron, and another metal like chromium or nickel, is used to make
construction equipment, bicycle frames, and train rails?
a. amalgam
b. bronze
c. brass
d. steel
____ 11. Table sugar and table salt are examples of
a. atoms.
b. elements.
c. mixtures.
d. pure substances.
____ 12. Substances that CANNOT be broken down chemically into other substances are
a. elements.
b. compounds.
c. mixtures.
d. solutions.
Modified True/False
Indicate whether the sentence or statement is true or false. If false, change the identified word or phrase to
make the sentence or statement true.
____ 13. A change that produces one or more new substances is called a physical change.
_________________________
____ 14. A(n) pure substance is made of only one kind of matter and has definite properties.
_________________________
____ 15. A substance that undergoes a chemical change is still the same substance after the change.
_________________________
____ 16. A(n) mixture is made of two or more substances—elements, compounds, or both—that are together in
the same place but are not chemically combined. _________________________
____ 32. The elements in a group of the periodic table have similar characteristics.
_________________________
____ 34. Two or more substances may be combined to produce a new material with different properties. This
new material is called a(n) plastic. _________________________
____ 35. In every alloy, at least one of the components is a(n) metal. _________________________
____ 36. Brass is an alloy of iron with carbon, nickel, and other elements. _________________________
____ 37. Synthetic polymers are expensive to make, strong, and last a long time.
_________________________
Completion
Complete each sentence or statement.
38. Elements that easily transmit electricity and heat display the property known as
____________________.
39. Nonmetals are ____________________ conductors of heat and electricity.
40. Most metals are in the ____________________ state at room temperature.
41. The ____________________ is the very small center core of an atom.
42. A substance that will conduct electricity only under certain conditions is called a(n)
____________________.
43. Plastics, nylon, and PVC piping are examples of ____________________ polymers.
Short Answer
46) Fill in the chart below:
Kind of
Protons
Neutrons
Electrons
Matter
Number
1.Lithium
2. Iron
3. Boron
4. Gold
Atomic
4
26
30
5
6
79
3
79
50) Use your periodic table to answer the following questions
What element does this picture represent: ________________
What is the atomic mass of this element