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WorksheetsHU02A Unit Exam Review
Total questions: 71
Worksheet time: 39mins
Name
Class
Date
1.
What is the main effect of changing the number of electrons in an atom?
a)
changes the element
b)
changes the mass only
c)
changes the charge only
2.
What model of the atom?
a)
quantum model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Rutherford's planetary or nuclear model of the atom
3.
TRUE or FALSE: In Dalton's Atomic Theory, he claimed that "All matter is composed of atoms". Is this still considered true?
a)
True
b)
False
4.
Which subatomic particle(s) are in the region around the nucleus?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
5.
Which group of elements are the most reactive nonmetals?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
6.
Elements in group 1A will form ions with what charge?
a)
+1
b)
+2
c)
-2
d)
-1
7.
How much bigger is the atom compared to the nucleus?
a)
10 times bigger
b)
100 times bigger
c)
1000 times bigger
d)
100 000 times bigger
8.
What model of the atom?
a)
quantum model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Rutherford's planetary or nuclear model of the atom
9.
TRUE or FALSE: In Dalton's Atomic Theory, he claimed that "Compounds are formed by the combination of two or more different kinds of atoms". Is this still considered true?
a)
True
b)
False
10.
What is the main effect of changing the number of protons in an atom?
a)
changes the element
b)
changes the mass only
c)
changes the charge only
11.
Which subatomic particle(s) have a relative charge of +1?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
12.
What model of the atom?
a)
quantum model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Rutherford's planetary or nuclear model of the atom
13.
What is this experiment?
a)
Oil Drop Experiment
b)
Cathode Ray Tube Experiment
c)
Gold Foil Experiment
d)
Line Spectra Experiment
14.
Who is credited with the periodic law?
a)
Mendeleev
b)
Rutherford
c)
Millikan
d)
Thomson
15.
Who is credited with the gold foil experiment?
a)
Mendeleev
b)
Rutherford
c)
Millikan
d)
Thomson
16.
What model of the atom?
a)
Dalton's model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Plum pudding model of the atom
17.
What is the main effect of changing the number of neutrons in an atom?
a)
changes the element
b)
changes the mass only
c)
changes the charge only
18.
Elements in group 7A will form ions with what charge?
a)
+1
b)
+2
c)
-2
d)
-1
19.
Who is credited with the Cathode Ray Tube experiment?
a)
Mendeleev
b)
Rutherford
c)
Millikan
d)
Thomson
20.
Which subatomic particle(s) have a relative charge of -1?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
21.
What is major accomplishment of this experiment?
a)
Discovery of the atom
b)
Discovery of the electron
c)
Discovery of the nucleus
d)
Charge of the electron
22.
Who is credited with the Oil Drop Experiment?
a)
Mendeleev
b)
Rutherford
c)
Millikan
d)
Thomson
23.
What model of the atom?
a)
Dalton's model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Plum pudding model of the atom
24.
Changing the number of neutrons in an atom produces a(n)
a)
ion
b)
different isotope
c)
isomer
d)
different element
25.
What is this experiment?
a)
Oil Drop Experiment
b)
Cathode Ray Tube Experiment
c)
Gold Foil Experiment
d)
Line Spectra Experiment
26.
Which subatomic particle(s) have a relative charge of 0?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
27.
What is the Law of Multiple Proportions?
a)
Mass is neither created nor destroyed
b)
A compound always contains the same elements in the exact same proportions by mass no matter the source of the compound
c)
when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
d)
the properties of elements are periodic functions of their atomic numbers
28.
Changing the number of electrons in an atom produces a(n)
a)
ion
b)
different isotope
c)
isomer
d)
different element
29.
What is major accomplishment of this experiment?
a)
Discovery of the atom
b)
Discovery of the electron
c)
Discovery of the nucleus
d)
Charge of the electron
30.
Which elements tend to undergo reduction, gain electrons, and form negative ions?
a)
Metals
b)
Nonmetals
31.
What is major accomplishment of this experiment?
a)
Discovery of the atom
b)
Discovery of the electron
c)
Discovery of the nucleus
d)
Charge of the electron
32.
What model of the atom?
a)
quantum model of the atom
b)
Bohr's model of the atom
c)
de Broglie's model of the atom
d)
Rutherford's planetary or nuclear model of the atom
33.
What is the Law of Definite Proportions?
a)
Mass is neither created nor destroyed
b)
A compound always contains the same elements in the exact same proportions by mass no matter the source of the compound
c)
when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
d)
the properties of elements are periodic functions of their atomic numbers
34.
Which group of elements are the most reactive metals?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
35.
You are given an isotope in hyphen notation, magnesium-39 how do you determine the number of neutrons?
a)
atomic number
b)
mass number, 39
c)
mass number - atomic number
d)
charge - #e-
36.
How do you determine the number of valence electrons in an element that is a Main Group element?
a)
It is the atomic number
b)
It is the "A" group number
c)
It is the "A" group number minus 8
d)
It is the IUPAC group number
37.
Group 2A
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
38.
Elements in group 3A will form ions with what charge?
a)
+3
b)
+2
c)
-2
d)
-3
39.
What is this experiment?
a)
Oil Drop Experiment
b)
Cathode Ray Tube Experiment
c)
Gold Foil Experiment
d)
Line Spectra Experiment
40.
How do you determine the charge that a Main Group Metal will form?
a)
It is the atomic number
b)
It is the "A" group number
c)
It is the "A" group number minus 8
d)
It is the IUPAC group number
41.
Which elements tend to undergo oxidation, lose electrons, and form positive ions?
a)
Metals
b)
Nonmetals
42.
When you are asked which element is similar to another, what are you looking for?
a)
An element in the same group
b)
An element in the same period
43.
Group 8A
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
44.
What is the Law of Conservation of Mass?
a)
Mass is neither created nor destroyed
b)
A compound always contains the same elements in the exact same proportions by mass no matter the source of the compound
c)
when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
d)
the properties of elements are periodic functions of their atomic numbers
45.
You are given the ion, Al3+, how do you determine the number of protons?
a)
atomic number
b)
atomic number - (+3)
c)
mass number - atomic number
d)
atomic number - charge
46.
Group 7A
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
47.
Which subatomic particle(s) are in the nucleus?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
48.
Elements in group 5A will form ions with what charge?
a)
+3
b)
+2
c)
-2
d)
-3
49.
TRUE or FALSE: In Dalton's Atomic Theory, he claimed that "Atoms are indivisible". Is this still considered true?
a)
True
b)
False
50.
You are given an isotope in hyphen notation, magnesium-39 how do you determine the number of protons?
a)
atomic number
b)
mass number, 39
c)
mass number - atomic number
51.
What is the Periodic Law?
a)
Mass is neither created nor destroyed
b)
A compound always contains the same elements in the exact same proportions by mass no matter the source of the compound
c)
when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
d)
the properties of elements are periodic functions of their atomic numbers
52.
Einstein's paper about this topic led many Physicists to accept Dalton's atomic theory.
a)
Brownian motion
b)
Gold Foil Experiment
c)
Oil Drop Experiment
d)
Atomic Line Spectra
53.
Which group of elements are inert?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
54.
Who is credited with creating the periodic table?
a)
Mendeleev
b)
Rutherford
c)
Millikan
d)
Thomson
55.
How do you determine the charge that a Main Group Nonmetal will form?
a)
It is the atomic number
b)
It is the "A" group number
c)
It is the "A" group number minus 8
d)
It is the IUPAC group number
56.
Al3+ is a(n)
a)
isotope
b)
ion
c)
isomer
d)
atom
57.
Which group or collection of elements tend to form colorful compounds and more than one ion?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
transition metals
58.
You are given the following reaction:
3A + 4B → C + 8D
If 4 g of C and 2 g of D are produced from 5 g of A, how many gram of B were used in the reaction?
3A + 4B → C + 8D
If 4 g of C and 2 g of D are produced from 5 g of A, how many gram of B were used in the reaction?
a)
11 g
b)
5 g
c)
1.25 g
d)
1 g
59.
Which group or collection of elements are colorful and diatomic?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
transition metals
60.
Which subatomic particle(s) have a relative mass of 1 amu?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
61.
Elements in group 6A will form ions with what charge?
a)
+1
b)
+2
c)
-2
d)
-1
62.
Which subatomic particle(s) have a relative mass of 0 amu?
a)
electrons
b)
protons
c)
neutrons
d)
protons and neutrons
63.
Which group of elements are extremely reactive with water and oxygen and forms compounds that are always soluble in water?
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
64.
Which reaction show the correct reaction for the formation of the magnesium ion?
a)
Mg → Mg2- + 2e-
b)
Mg + 2e- → Mg2-
c)
Mg → Mg2+ + 2e-
d)
Mg + 2e- → Mg2+
65.
Group 1A
a)
halogens
b)
alkali metals
c)
alkali earth metals
d)
noble gases
66.
Which one of the following is the Iron(III) ion?
a)
Fe
b)
Fe+3
c)
Fe3+
d)
Fe-3
67.
Elements in group 2A will form ions with what charge?
a)
+1
b)
+2
c)
-2
d)
-1
68.
Which reaction show the correct reaction for the formation of the sulfide (sulfur) ion?
a)
S → S2- + 2e-
b)
S + 2e- → S2-
c)
S → S2+ + 2e-
d)
S + 2e- → S2+
69.
TRUE or FALSE: In Dalton's Atomic Theory, he claimed that "All Atoms of the same element are identical in properties and mass". Is this still considered true?
a)
True
b)
False
70.
What causes the random movement of suspended dust particles water?
a)
water molecules colliding with the dust
b)
thermal currents in the water
c)
protozoa with cilia bumping into the dust
d)
bacteria with flagella growing on the dust particle
71.
Which subatomic particle(s) have mass?
a)
electrons
b)
protons
c)
neutrons
d)
All 3
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