Ch 6 Review
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____
1. Alchemists were early chemists who studied the natural world. _________________________
____
2. One of the earliest types of chemical reactions involved heating ore to purify metals.
_________________________
____
3. Metallurgy is the science of isolating metals from ore using hot fires or furnaces.
_________________________
____
4. Modern chemistry is the search for a substance that will turn everyday, inexpensive metals into gold.
_________________________
____
5. Sir Robert Boyle encouraged scientists to be accepting of information. _________________________
____
6. Germanium, polonium, and francium are named after famous scientists. _________________________
____
7. Metals usually have lower melting points and boiling points than non-metals. _________________________
____
8. Metals are generally more dense than non-metals. _________________________
____
9. Most of the known elements are metals. _________________________
____ 10. Most metals are liquid at room temperature. _________________________
____ 11. Potassium has low electrical conductivity. _________________________
____ 12. Silicon, a metalloid, is a good conductor of electricity. _________________________
____ 13. Mendeleev arranged elements with similar properties into horizontal rows. _________________________
____ 14. Mendeleev arranged elements on his first periodic table in order of increasing relative atomic mass.
_________________________
____ 15. Elements in the same period have similar properties. _________________________
____ 16. Mendeleev developed the first periodic table using approximately half of the elements known today.
_________________________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 17. Which of the following is an example how ancient civilizations used chemistry?
a. making plastics
b. producing fertilizer
c. producing margarine
d. colouring fabric using natural dyes
____ 18. Which of the following activities are used by modern chemists, but were not used by alchemists?
I
They share information.
II
They perform experiments.
III They are skeptical of information.
a.
b.
c.
d.
I and II only
I and III only
II and III only
I, II, and III
____ 19. What was believed to turn common metals into gold, cure disease, and prolong life?
a. metallurgy
b. fermentation
c. philosopher’s stone
d. earth, air, fire, and water
____ 20. Which of the following was a major challenge or were major challenges to early chemists?
a. communicating their findings with others
b. the absence of a common naming and symbol system
c. the large number of elements discovered in the 1700s and 1800s
d. all of the above
____ 21. Which of the following was a key occurrence in the development of modern chemistry?
a. ideas were tested through experimentation
b. scientific societies did not share their knowledge
c. many new elements were broken down into compounds
d. observations were interpreted according to beliefs held at the time
____ 22. Which of the following is an observation?
a. a candle burns
b. wax is fuel for the burning candle
c. a hand held close to the burning candle feels warmth
d. all of the above
____ 23. Which of the following is an inference?
a. There is a powder on the table.
b. The powder is yellow.
c. The powder is sulphur.
d. all of the above
____ 24. Which of the following describe a scientific theory?
I
It is subject to change.
II It can be applied in a variety of circumstances.
III It is an established and experimentally verified explanation of observations.
a.
b.
c.
d.
I and II only
I and III only
II and III only
I, II, and III
____ 25. In which of the following ways did elements get their names?
a. from special properties
b. from the original Latin name
c. to honour scientists, cities, and countries
d. all of the above
____ 26. Which of the following contains only one element?
a. Co
b. CO
c. NaCl
d. H2O
____ 27. Which two words apply to oxygen, O2, at room temperature?
a. gas, element
b. gas, compound
c. liquid, compound
d. liquid, non-metal
____ 28. Which of the following explains why the symbol for copper is Cu?
a. C is used by carbon
b. Co is used by cobalt
c. Cr is used by chromium
d. Cu is taken from the Latin cuprum
____ 29. A scientist wants to name a newly discovered element after his Grade 9 science teacher, Miss Harvey. Which
symbol do you suggest he use?
a. S
b. Si
c. Sh
d. Sm
____ 30. Which of the following explains why copper is used for household wiring?
I
It is ductile.
II
It is orange in colour.
III
It is a good conductor of heat and electricity.
a.
b.
c.
d.
I and II only
I and III only
II and III only
I, II, and III
____ 31. Which of the following elements is a metalloid?
a. silicon
b. sulphur
c. potassium
d. phosphorus
____ 32. What group contains elements used in the semiconductors of computer?
a. metals
b. metalloids
c. non-metals
d. magnetic metals
____ 33. Where are metals found on the periodic table of the elements?
a. towards the left
b. towards the right
c. in the first column
d. along the staircase
____ 34. What metal is a liquid at room temperature?
a. iron
b. gold
c. silver
d. mercury
____ 35. What are elements that have a dull appearance and are poor conductors of heat and electricity?
a. metals
b. non-metals
c. metalloids
d. all of the above
____ 36. A newly discovered element has the following properties:
- it is brittle
- it has a shiny lustre
- it is a non-conductor of heat and electricity.
In which of the following groups does it best fit?
a. metal
b. metalloid
c. noble gas
d. non-metal
____ 37. Copper, silver, and gold are the ‘coinage metals’ because in the past coins were made from these metals.
Which of the following explains why they were useful for coins?
a. They are shiny.
b. They are dense.
c. They conduct heat well.
d. They react slowly with air and water.
____ 38. Which metals are magnetic?
a. all metals
b. iron, cobalt, nickel
c. metals that react with acid-producing hydrogen gas
d. metals that are good conductors of heat and electricity
____ 39. What property did Mendeleev use to order the elements?
a. density
b. melting point
c. comparative mass
d. reactivity with acid
____ 40. Which of the following are noble gases?
a. F, Cl
b. Ar, Kr
c. O2, N2
d. CO2, O2
____ 41. Which pairs of elements would have similar properties?
a. silicon and arsenic
b. fluorine and bromine
c. hydrogen and oxygen
d. sodium and magnesium
____ 42. Which pairs of elements are not arranged in order of increasing atomic mass on the modern periodic table?
a. iron and cobalt
b. neon and sodium
c. lead and bismuth
d. tellurium and iodine
____ 43. Which of the following conclusions applies to Mendeleev’s periodic table?
a. It identified many new elements.
b. It was based on Mendeleev’s own experimental work.
c. It gave a new understanding of how to group elements.
d. all of the above
____ 44. Which of the following did Mendeleev need to create his periodic table?
I
relative masses of the elements
II
physical properties of the elements
III
chemical properties of the elements
a.
b.
c.
d.
I and II only
I and III only
II and III only
I, II and III
Completion
Complete each statement.
45. The first elements to be discovered were____________________.
46.
____________________ is the symbol for the element iodine.
47. U is the symbol for the element ____________________.
48. The symbol for the element ____________________ is Fe.
49. The element nitrogen has the symbol ____________________.
50.
____________________ was named for the special property it has - it glows in the dark.
51. An alloy of mercury and other metals is called a(n) ____________________.
52. Many non-metals are in the ____________________ state at room temperature.
53. Gold, compared to all other metals, is the best ____________________ of electricity.
54. ____________________ are found along the staircase of the periodic table of the elements.
55. Iron, cobalt, and nickel share a property that other metals do not have. They are ____________________.
56. Mendeleev grouped elements with similar properties into ____________________.
57. A horizontal row on the periodic table is called a(n) ____________________.
58. A vertical column of elements on the periodic table with similar properties is called a(n)
____________________.
59. Moving from top to bottom down any group, atomic mass ____________________.
60. Three examples of the noble gases are ____________________, ____________________, and
____________________.
61. ____________________ and ____________________ sit side by side on the periodic table, but are unusual
because their atomic masses do not increase from left to right.
62. Most metals do not react violently when they get wet. Group ____________________ metals, however, do.
63. Sodium reacts with water to produce ____________________, a flammable gas.
64. The last family of elements to be discovered were the ______________________________.
Ch 6 Review
Answer Section
MODIFIED TRUE/FALSE
1. ANS:
OBJ:
2. ANS:
OBJ:
3. ANS:
OBJ:
4. ANS:
T
6.1
T
6.1
T
6.1
F, Alchemy
PTS: 1
LOC: Unit B - PLC1
PTS: 1
LOC: Unit B - PLC1
PTS: 1
LOC: Unit B - PLC1
REF:
TOP:
REF:
TOP:
REF:
TOP:
K
Unit B - Ch. 06 KI1
K
Unit B - Ch. 06 KI1
K
Unit B - Ch. 06 KI1
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI1
5. ANS: F
skeptical
doubting
OBJ: 6.1
LOC: Unit B - PLC1
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI2
6. ANS: F, countries
OBJ: 6.1
LOC: Unit B - PLC1
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI2
7. ANS: F, higher
OBJ: 6.2
LOC: Unit B - PLC3
1
REF: K
OBJ: 6.2
Unit B - Ch. 06 KI3
T
PTS: 1
6.2
LOC: Unit B - PLC2
T
PTS: 1
6.2
LOC: Unit B - PLC2
F, solid
LOC: Unit B - PLC2
PTS:
TOP:
8. ANS:
OBJ:
9. ANS:
OBJ:
10. ANS:
REF:
TOP:
REF:
TOP:
K
Unit B - Ch. 06 KI3
K
Unit B - Ch. 06 KI3
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
11. ANS: F, high
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
12. ANS: F, poor
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
13. ANS: F, vertical columns
OBJ: 6.2
LOC: Unit B - PLC2
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
14. ANS: T
PTS: 1
OBJ: 6.3
LOC: Unit B - PLC2
15. ANS: F
column
group
PTS:
TOP:
16. ANS:
OBJ:
1
REF: K
OBJ: 6.3
Unit B - Ch. 06 KI4
T
PTS: 1
6.3
LOC: Unit B - PLC2
REF: K
TOP: Unit B - Ch. 06 KI4
LOC: Unit B - PLC2
REF: K
TOP: Unit B - Ch. 06 KI4
MULTIPLE CHOICE
17. ANS:
LOC:
18. ANS:
LOC:
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LOC:
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LOC:
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LOC:
22. ANS:
LOC:
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LOC:
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LOC:
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LOC:
26. ANS:
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27. ANS:
LOC:
28. ANS:
LOC:
29. ANS:
LOC:
30. ANS:
LOC:
31. ANS:
LOC:
32. ANS:
LOC:
33. ANS:
LOC:
D
PTS:
Unit B - PLC1
B
PTS:
Unit B - PLC1
C
PTS:
Unit B - PLC1
D
PTS:
Unit B - PLC1
A
PTS:
Unit B - PLC1
C
PTS:
Unit B - PLC1
C
PTS:
Unit B - PLC1
D
PTS:
Unit B - PLC1
D
PTS:
Unit B - PLC1
A
PTS:
Unit B - PLC2
A
PTS:
Unit B - PLC2
D
PTS:
Unit B - PLC2
C
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
A
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
A
PTS:
Unit B - PLC2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
REF:
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TOP:
U/A
OBJ:
Unit B - Ch. 06 KI1
U/A
OBJ:
Unit B - Ch. 06 KI1
K
OBJ:
Unit B - Ch. 06 KI1
U/A
OBJ:
Unit B - Ch. 06 KI2
U/A
OBJ:
Unit B - Ch. 06 KI2
U/A
OBJ:
Unit B - Ch. 06 KI2
U/A
OBJ:
Unit B - Ch. 06 KI2
U/A
OBJ:
Unit B - Ch. 06 KI2
K
OBJ:
Unit B - Ch. 06 KI2
K
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI3
U/A
OBJ:
Unit B - Ch. 06 KI2
U/A
OBJ:
Unit B - Ch. 06 KI3
U/A
OBJ:
Unit B - Ch. 06 KI3
U/A
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI3
6.1
6.1
6.1
6.1
6.1
6.1
6.1
6.1
6.2
6.2
6.2
6.2
6.2
6.2
6.2
6.2
6.2
34. ANS:
LOC:
35. ANS:
LOC:
36. ANS:
LOC:
37. ANS:
LOC:
38. ANS:
LOC:
39. ANS:
LOC:
40. ANS:
LOC:
41. ANS:
LOC:
42. ANS:
LOC:
43. ANS:
LOC:
44. ANS:
LOC:
D
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
D
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
C
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
B
PTS:
Unit B - PLC2
D
PTS:
Unit B - PLC2
C
PTS:
Unit B - PLC2
D
PTS:
Unit B - PLC2
1
1
1
1
1
1
1
1
1
1
1
REF:
TOP:
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REF:
TOP:
K
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI3
U/A
OBJ:
Unit B - Ch. 06 KI3
U/A
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI3
K
OBJ:
Unit B - Ch. 06 KI4
U/A
OBJ:
Unit B - Ch. 06 KI4
U/A
OBJ:
Unit B - Ch. 06 KI4
U/A
OBJ:
Unit B - Ch. 06 KI4
U/A
OBJ:
Unit B - Ch. 06 KI4
K
OBJ:
Unit B - Ch. 06 KI4
6.2
6.2
6.2
6.2
6.2
6.3
6.3
6.3
6.3
6.3
6.3
COMPLETION
45. ANS: metals
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI1
46. ANS: I
OBJ: 6.1
LOC: Unit B - PLC1
PTS: 1
REF: U/A
TOP: Unit B - Ch. 06 KI2
47. ANS: uranium
OBJ: 6.2
LOC: Unit B - PLC3
PTS: 1
REF: U/A
TOP: Unit B - Ch. 06 KI2
48. ANS: iron
OBJ: 6.2
LOC: Unit B - PLC3
PTS: 1
REF: U/A
TOP: Unit B - Ch. 06 KI2
49. ANS: N
OBJ: 6.2
LOC: Unit B - PLC3
PTS: 1
REF: U/A
TOP: Unit B - Ch. 06 KI2
50. ANS: Phosphorus
OBJ: 6.2
LOC: Unit B - PLC3
OBJ: 6.1
LOC: Unit B - PLC1
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI1
51. ANS: amalgam
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI1
52. ANS:
gas
gaseous
OBJ: 6.1
LOC: Unit B - PLC1
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
53. ANS: conductor
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
54. ANS: Metalloids
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
55. ANS: magnetic
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI3
56. ANS: columns
OBJ: 6.2
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
57. ANS: period
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
58. ANS:
group
family
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
59. ANS: increases
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: U/A
OBJ: 6.3
TOP: Unit B - Ch. 06 KI4
60. ANS: helium, neon, argon, krypton, xenon, radon
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
61. ANS:
argon, tellurium
potassium, iodine
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
OBJ: 6.3
LOC: Unit B - PLC2
62. ANS: I
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
63. ANS: hydrogen
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
64. ANS: noble gases
OBJ: 6.3
LOC: Unit B - PLC2
PTS: 1
REF: K
TOP: Unit B - Ch. 06 KI4
OBJ: 6.3
LOC: Unit B - PLC2